He apologized for ______ to inform me of the change in the plan.
A. his being not able B. him not to be able
C. his not being able D. him to be not able
more time, we could do it better.
A. Giving B. Given C. Give D. To give
Helen plays the violin ________, if not better than, Kate.
A. as well B. so well C. as well as D. so well as
—You seem to have known Dr. Ken for a long time.
—That’s true. ________ he joined our club years ago.
A. Since B.Until C. When D. If
You _______ her in her office last Friday; she’s been out of town for two weeks.
A. needn’t have seen B. must have seen C. shouldn’t have seen D. can’t have seen
---Are you coming to Tom’s party?
---I’m not sure. I______ go to the concert instead.
A. might B. must C. would D. should