[ Past Tense and Perfect Tense ]
Karen and Rania were late for the plane because they ____ their passport.
A.forgot
B. Forgotten
C. Had forgotten
D. Has forgotten

Random Topics:
Simple TenseSentences and Non SentencesModal Auxiliaries and Similar ExpressionsTake or PutModals VerbsArticle & PrepositionNounPresent Progressive or Present SimpleModal Verbs & Time PrepositionsModal Verbs and Contrastive ConjunctionsOther quiz:
Conjunctions › ViewIs it my turn to do the washing up _______ yours?
A. nor
B. but
C. and
D. or
Modal Verbs › View
You … smoke in the hospital
A. must
B. needn’t to
C. don’t have to
D. mustn’t
Present Continuos Tense › ViewThe students … the flag ceremony in the school yard now.
A. are having
B. is having
C. are have
D. have
Grammar › View
During a tornado you ___________ forget basic safety rules. You ____________ panic.You_____________ find a safe place like a corridor and wait until the tornado passes.
A. must, must, must
B. musn´t, musn´t , have to.
C. must, musn´t, haven´t to