[ Grammar ]
We ____ heard the sirens before we saw the firetrucks.
A. has
B. had
C. is

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Quantifiers MixPreposition and Word FormPast PassiveTimeA(n), the, no articleWho am I?Conjunctions and TransitionsGrammar - Collective NounsFigurative Language VocabularyModals of ProhibitionOther quiz:
Grammar › View________ you are very rebellious implies that you are a lastborn.
A. That
B. What
C. By the fact that
Grammar - Punctuation › View
Prof Diaz have you met Dr Petrozelli?
A. Prof. Diaz, have you met Dr. Petrozelli?
B. Prof. Diaz have you met Dr. Petrozelli?
C. Prof Diaz, have you met Dr. Petrozelli?
D. Prof. Diaz, have you met, Dr. Petrozelli?
Comparisons › ViewOf the two films we watched yesterday, Titanic is ____________
A. better interesting
B. the most interesting
C. the more interesting
D. as interesting
Conjunctions › View
Tanay went to the supermarket, __________ he forgot to carry shopping bags.
A. and
B. so
C. but