________ again and again, but he didn’t tell me the truth.
A. Having been asked B. Being asked
C. He had been asked D. Though he was asked
Robert is said ________ abroad, but I don’t know what country he studied in.
A. to have studied B. to study
C. to be studying D. to have been studying
We do meet now and then, but not ________.
A. freely B. commonly
C. regularly D. presently
I need some blue ink today but there is ________ at hand.
A. not B. nothing C. a little D. none
I was about to go to bed ________ there was a knock at the door.
A. while B. when C. as D. suddenly
—Be careful not to drop the Ming Dynasty vase.
—Yes, we can’t be ________.
A. too careful B. very careful
C. too careless D. careless enough
