[ Perfect Tenses ]
How long … for the book before you found it?
A. have you looked
B. have you been looking
C. had you looked
D. had you been looking
Select your answer:

Random Topics:
Conditional ClauseActive and Passive voiceModals with Perfect InfinitivePresent Simple and Continuous TensePhrasal VerbModals VerbPassivisationIndependent and Dependent ClausesModal and Auxiliary VerbsThird ConditionalOther quiz:
Grammar › View“I __________________ special sunglasses for skiing,” Linda boasted to her father. “Have a look! Nice, aren’t they?”
A. will buy
B. bought
C. have bought
D. was buying
Adjective › View
I’m _____ that Paul got accepted to Harvard with his low SAT score.
a.amazed
b.amazing
