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Pregunta 1
Pregunta
We .. come back late. They'll be very angry.
Respuesta
-
mustn't
-
don't have to
Pregunta 2
Pregunta
You ... talk during the exam.
Respuesta
-
mustn't
-
can't
Pregunta 3
Pregunta
We ... hurry - there's plenty of time
Respuesta
-
needn't
-
mustn't
Pregunta 4
Pregunta
In that place they ... pay any taxes, because nobody earns very much.
Respuesta
-
don't have to
-
mustn't
Pregunta 5
Pregunta
You ... play with fire.
Respuesta
-
mustn't
-
don't have
Pregunta 6
Pregunta
We ... go on. It's dangerous.
Respuesta
-
needn't
-
mustn't
Pregunta 7
Pregunta
It's such a fine day. You ... bring your raincoat with you.
Respuesta
-
needn't
-
mustn't
Pregunta 8
Pregunta
Your ... worry about water with an air-cooler radiator.
Respuesta
-
don't need to
-
needn't
Pregunta 9
Pregunta
You ... come home so late - I was really worried.
Respuesta
-
mustn't
-
needn't
Pregunta 10
Pregunta
All right. You ... come. You can stay at home if you like.
Respuesta
-
needn't
-
don't need
Pregunta 11
Pregunta
Adults ... (go) to school.
Respuesta
-
don't need
-
needn't
Pregunta 12
Pregunta
They didn't come so I ... (give) my lesson.
Respuesta
-
needn't
-
ddin't need
Pregunta 13
Pregunta
No one turned up: I was angry. I ... (turn up)
Respuesta
-
needn't have turned up
-
didn't need to turn up
Pregunta 14
Pregunta
We ... cook these oysters. We can eat them raw.
Respuesta
-
needn't
-
did not need to
Pregunta 15
Pregunta
We ... (cook) these vegetables. They would have been better raw.
Respuesta
-
needn't have cooked
-
didn't need to cook
Pregunta 16
Pregunta
Have you already bought the bread? I ... (buy) any!
Respuesta
-
needn't have bought
-
didn't need to buy
Pregunta 17
Pregunta
A statement like that ... (be) true.
Respuesta
-
need not necessarily be
-
don't need to be necessarily
Pregunta 18
Pregunta
No citizen ... (fear) the law.
Respuesta
-
need
-
don't need
Pregunta 19
Pregunta
According to me he is there
Respuesta
-
He must be there.
-
He has to be there.
Pregunta 20
Pregunta
It is absolutely essential that you go.
Respuesta
-
You have to go.
-
You should go.
Pregunta 21
Pregunta
It is really essential that he should behave better.
Respuesta
-
He has to behave better.
-
He should behave better.
Pregunta 22
Pregunta
It is essential for me not to be late.
Respuesta
-
I mustn't be late.
-
I haven't to be late.
Pregunta 23
Pregunta
Don't do that!
Respuesta
-
You mustn't do that!
-
You shouldn't do that!
Pregunta 24
Pregunta
Don't do it if you don't want to.
Respuesta
-
You needn't do that if you don't want.
-
You mustn't do that if you don't want.
Pregunta 25
Pregunta
These days there is not necessity for people to do certain things.
Respuesta
-
People needn't do certain things.
-
People don't need to do certain things.
Pregunta 26
Pregunta
It's not possible that he's waiting.
Respuesta
-
He mustn't be waiting.
-
He can't be waiting.
Pregunta 27
Pregunta
Mr James finds it unnecessary to look after his car because he has a good mechanic.
Respuesta
-
Mr James doesn't have to look after his car.
-
Mr James mustn't look after his car.
Pregunta 28
Pregunta
You can finish all this tomorrow. There is no necessity for you to finish it now.
Respuesta
-
You don't have to finish it now.
-
You mustn't finish it now.
Pregunta 29
Pregunta
In England it is not necessary to pay to go into art galleries.
Respuesta
-
In England you don't have to pay to go into art galleries.
-
In England you mustn't have to pay to go into art galleries.
Pregunta 30
Pregunta
I insist that it is essential that they get up early tomorrow.
Respuesta
-
they must get up early tomorrow.
-
they should get up early tomorrow.
Pregunta 31
Pregunta
There is no electricity here. People are obliged to use oil-lamps.
Respuesta
-
People have to use oil-lamps.
-
People should use oil-lamps.
Pregunta 32
Pregunta
There is no electricity here. People are obliged to use oil-lamps.
Respuesta
-
People have to use oil-lamps.
-
People should use oil-lamps.
Pregunta 33
Pregunta
It is not necessary for us to make the beds. The maid makes them
Respuesta
-
We needn't make the beds.
-
We mustn't make the beds.
Pregunta 34
Pregunta
She felt ill and was obliged to leave.
Respuesta
-
She felt ill and had to oblige to leave.
-
She felt ill and must to oblige to leave.
Pregunta 35
Pregunta
Totti runs down the centre - the defense move forward - Totti is obliged to pass
Respuesta
-
Totti has to pass....
-
Totti must pass...
Pregunta 36
Pregunta
I prohibit you to think that about her.
Respuesta
-
You must not think that about her.
-
You should not think that about her.
Pregunta 37
Pregunta
I never remember his name.I am always obliged to look it up.
Respuesta
-
I never remember his name.I always have to look it up.
-
I never remember his name.I always must look it up.
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