How can you expect him to make any improvement ________ you never give him an opportunity to have a try?
A．unless B．when C．until D．while
________ you didn't know the rules won't be an excuse for your failure to report.
A．That B．Where C．What D．Why
________ anything, give me a call and I'll be glad to help you.
A．Had you required B．Should you require
C．Would you require D．Could you require
I can guess you were in a hurry. You ______ your sweater inside out.
A. had worn B. wore
C. were wearing D. are wearing
Fully __________ in looking after three children at home, she no longer has time to enjoy the various activities in the club.
A. occupied B. contributed C. attached D. devoted
I always enjoyed French at school, but the advanced courses in literature turned me _____.
A. off B. on C. back D. down
