Topics: Perfect Tenses
The boy knocked the door. There was nobody inside. His mother ____________ yet.
A. has not returned
B. have not returned
C. had not returned
D. did not return
Select your answer:

Random Topics:
Present Simple with Adverbs of FrequencyAdverbial Clause of MannerAdverbial Clauses of Reason / CauseGrammarAdverbs of Time and PlacePast Simple - Present PerfectConjunctive Adverblike/do not likeModal RequestsGerund or InfinitivesOther quiz:
Tenses › ViewWe hope you ___ your ultimate goals very soon.
A. will achieve
B. achieve
C. achieved
D. are achieving
Grammar › View
He has become a ______ person after leaving that gang of mischievous boys
A. best
B. as good as
C. better
D. good
