[ Present Perfect Simple vs Continuous ]
They __________ (visit) their grandparents every month.
A. have visited
B. have been visiting

Random Topics:
ConjunctionPossessive NounsPast Simple (Questions)Interjections, Tag Questions and Nouns of Direct AddressWH Questions and Simple Past TenseSimple Present and Present ContinuousSimple TensesOn, At, ByAntonymsPassivisationOther quiz:
Modals › ViewI’m sure Sam put on weight last year.
A. may have put
B. could have put
C. must have putted
D. must have put
Grammar › View
You ———- watch TV too late in the evening.
A. must
B. mustn’t