[ 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:
Simple Past Tense › ViewAthirah ___________ the fly when it ___________ her last night.
A. hit – irritate
B. hit – irritates
C. hits – irritates
D. hit – irritated
Grammar › View
Katie is __________ the dirty dishes in the sink.
A. wash
B. washes
C. washed
D. washing
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
