[ Tenses ]
They heard a noise _____ they were learning Chemistry.
A. when
B. while
C. before
D. after
Select your answer:
Random Topics:
Simple Future Tense Expressing WishesConjunctionThere is or There areHave to/Has toThe Present Progressive TenseGerunds & Infinitives + VocabularyComparisonsPositive and Negative Connotations
Other quiz:
Grammar › ViewHave you climb Mt.Everest?
Yes, …………….
_
A. you have
B. I have
C. I haven’t
D. She has
Modals and Comparative Superlative › View
sam is …….. in the class
A. taller than
B. the tallest
How to use : Read the question carefully, then select one of the answers button.