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

Random Topics:
PhrasesQuantifiers MixAdverbs of Frequency and Everyday ActivitiesPast Simple VS Used toAdverbial Clause of Cause and EffectThere is, There are, Some, AnyVocabulary and PrepositionsModals and Modal PerfectsOn, At, ByContinuous TensesOther quiz:
Modals › ViewHe ___ bring a jacket. It might get cold.
A. must
B. may
C. can
D. ought
Quantifiers with Nouns › View
There are ______students in the class this year compared to last year
A. little
B. much
C. a few
D. fewer
