[ Present Perfect ]
How long ____________ the children slept?
A. did
B. have
C. has
D. do

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Indefinite and Reflexive PronounsAsking & Giving OpinionVerb Patterns / IngPreposition of DirectionGrammar and SyntaxVocabullary TestSimple Past/Past ProgressiveVerb ConjugationTypes of PrepositionPresent Simple & Present ContinuousOther quiz:
Grammar › ViewMy sister really enjoys acting as a hobby, but she doesn’t want to do it for a(n) _______
A. occupation
B. existence
C. living
D. survival
Modals in The Past › View
He ___ stolen the car. He was with me all the time
A. must have
B. should have
C. might have
D. can’t have