[ Tenses ]
Listen! Someone ___ at the door.
A. is knocked
B. is knocking
C. knock
D. knocked
Select your answer:
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Present Perfect Simple & Present Perfect ContinuousAdjective vs AdverbIndependent/Dependent Clauses & Relative ClausesComparisonsAdverbs, Prefixes, and SuffixesDependent PrepositionModal VerbsTenses for HospitalityAsking for and Giving OpinionCorrelative conjunctionsOther quiz:
Tenses › ViewDarren and Roby ____ chili at all because it is spicy. They can’t stand on it
A. eat
B. doesn’t eat
C. don’t eat
D. weren’t eating
Modals of Obligation and Permission › View
We _______ take more than five days’ vacation at a time without approval from a manager.
A. allowed to
B. don’t have to
C. can’t
D. need to
E. supposed to