[ Grammar ]
They don’t know where the key is. That’s why they haven’t opened the door.
A. If they had known where the key was, they would open the door.
B. If they knew where the key was, they would have opened the door.
Select your answer:
Random Topics:
Past Simple and Past ContinuousFuture Perfect TenseSimple Present & Present ProgressiveDirect Object and Indirect ObjectPassive to ActiveSentence Structure and Verb TensesInfinitives or GerundsProgessive TensesInfinitives and ING FormsOther quiz:
Past Simple & Past Perfect › ViewI ______ (close) the door and realized I ______ (forget) my bag.
A. closed / had forgotten
B. had closed / was forgetting
Tenses › View
They ____ here for three hours by the time it starts.
A. will have waited
B. will wait
C. have waited
D. will be waiting