This is a timed quiz.
You have 10 minutes to complete the 4 questions in this quiz.
The correct past tense to the verb Understand is:
understood
understand
understanded
understoods
In the sentence: " Charles Darwin discovered an enourmes variety of plantas and animals, in the Aamazon jungle.", the verb is: VARIETY
In the sentence: " The big bang was a tremendous explosion produced in the universe, many years ago", the most important subject is:
The Universe
the sentence
the big bang
a tremendous explosion
Some turtles required long necks to eat the leaves of the trees
