[ Tenses ]
They (not visit) their grandparents last summer.
A. They did not visit their grandparents last summer.
B. They have not visited their grandparents last summer.

Random Topics:
So, Such, Many, MuchTake or PutVerb PatternsVerbs with Prepositions and ConjunctionsContinuous TensesQuantifiers & Modals of ObligationContractions and ConjunctionsModal VerbPrepositions of Time & PlaceComparison DegreeOther quiz:
Grammar › ViewWhich sentence is punctuated correctly?
A. I love pizza don’t you?
B. I love pizza, don’t you?
Grammar › View
We have…………….. of petrol in the car, so it is enough to reach our destination.
A. a little
B. little
C. a few
D. few
Grammar › ViewI have to attend tuition class _____ 5.30pm.
A. in
B. on
C. at
Grammar › View
Oil is a uncountable noun.
A. TRUE
B. FALSE
