[ Modal Verbs ]
Drivers ……. stop when the traffic lights are red.
A. could
B. may
C. must
D. should
Select your answer:
Random Topics:
Contrastive ConjunctionPresent Simple ProgressivePassive Voice Active Voice-ed and -ing AdjectivesTenses and QuestionsGerund and InfinitivesPast Simple Negative & QuestionsWishesModals of Obligation and PermissionToo or EnoughOther quiz:
Grammar › ViewThe staff _______ ___________ ___________ lunch for the special guests since 8 a.m.
A. had been preparing
B. must have prepared
C. would have prepared
D. could have been preparing
Vocabulary › View
The ____ documents were authorized by the government last week.
A. skillful
B. retained
C. prime
D. official