[ Grammar ]
_________________ long before they invited you to come in?
A. were you waiting
B. have you been waiting
C. had you waited
D. had you been waiting
E. have you waited
Select your answer:

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Present and Past Perfect TensesVerb to beGerund or InfinitivesPassive SentenceSimple vs Present Continuous TensesTenses - Pasive VoiceSo....that... Such.......thatPast Simple or Past ContinuousSubjunctivesAdverb & Compound SentencesOther quiz:
Tenses › ViewThe students…….in the library now. They are reading books.
A. are
B. do
C. is
D. were
Grammar › View
My mother ________________ chocolate cupcakes for my birthday.
A. make
B. maked
C. made
