[ Present Perfect Simple & Continuous ]
Residents are still nervous because the police ______ the mugger yet.
A. have found
B. have been finding
C. haven’t found
D. haven’t been finding

Random Topics:
Relative ClausePast Tense and Perfect TenseExpressing Obligation and ModalsSimple Present and Present Continuous TensesPast Continuous Tense & Past ModalsContinuous and Perfect TensesWill vs Verb InfinitivesLinking WordsIntermediateCommon ErrorOther quiz:
Past Tense › ViewDid Amara draw in her notebook?
A. Yes, she did.
B. Yes, she didn’t.
Grammar › View
What are you waiting ________? Let’s go now.
A. to
B. for
C. about
Conjunctions › ViewThe movie was _______ entertaining _______ thought-provoking.
A. neither…nor
B. either…or
C. not only…but also
D. both…and
Modal Verb › View
You ________ come swimming if you don’t want to.
A. don’t have to
B. mustn’t
C. shouldn’t
