975627
Pregunta 1
Pregunta
What (I, do) ... about it? You ... be more careful.
Respuesta
-
What shall I do? You should be more careful.
-
What must I do? You have to be more careful.
Pregunta 2
Pregunta
When you are here again, you really ... come and see us.
Respuesta
-
must
-
should
Pregunta 3
Pregunta
Dogs ... kept on a lead
Respuesta
-
must/should
-
can/could
Pregunta 4
Pregunta
She ... live there; at least, her car is always standing outside.
Respuesta
-
must
-
should
Pregunta 5
Pregunta
They ... leave the neighborhood because of that scandal.
Respuesta
-
had to
-
must
Pregunta 6
Pregunta
I ... tell him something. I ... wait until he arrives
Respuesta
-
have to - have to
-
should - should
Pregunta 7
Pregunta
... (you, cut) your fingernails at table?
Respuesta
-
Do you have to...
-
Do you should...
Pregunta 8
Pregunta
It is certain that he will be washing the car when we arrive.
Respuesta
-
He is bound to be washing the car when we arrive.
-
He must be washing the car when we arrive.
Pregunta 9
Pregunta
Did you hear the bang? No, I ... (be) in the other room.
Respuesta
-
must be
-
should be
Pregunta 10
Pregunta
It wasn't raining. You ... (take) your umbrella.
Respuesta
-
needn't have taken
-
haven't had taken
Pregunta 11
Pregunta
I haven't got my gloves. I ... (leave) them in the car.
Respuesta
-
must have left
-
have had left
Pregunta 12
Pregunta
How did he get away? He ... (use) his car, because it's still here.
Respuesta
-
cant have used
-
mustn't have used
Pregunta 13
Pregunta
I saw Jones yesterday. You ... (see) Jones. He's in Canada.
Respuesta
-
can't have seen
-
mustn't have seen
Pregunta 14
Pregunta
You.. (leave) a spanner inside the engine. That's why it's making such a rattle.
Respuesta
-
must have left
-
can have left
Pregunta 15
Pregunta
I left my car here. It's gone. Someone ... (steal) it.
Respuesta
-
must have stolen
-
should have stolen
Pregunta 16
Pregunta
He ... (do) such a thing. It's impossible.
Respuesta
-
can't have done
-
mustn't have done
Pregunta 17
Pregunta
He was sleeping. He ... (sleep) - he ... (pretend)
Respuesta
-
can't have been sleeping - must have been pretending
-
must have been pretending - can't have been sleeping
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