Mr. Wu found that a number of UFOs in the sky ______ in a very short time in surprise.
A. was lost B. is missing
C. get lost D. were missing
―Did you see Mr. Li when you were in France?
―No, when I ______, he ______ to Canada.
A. arrived, had gone B. had arrived, went
C. got, had gone D. reached, would go
Look! The reporters are covering these lively actresses’ wonderful performance_______.
A. alive B. live C. lively D. living
While I_______ a detective story, someone_______ at the door．
A. read, was knocking
B. read, knocked
C. was reading, knocked
D. was reading, was knocking
The teacher didn’t leave the classroom building until the papers _________ in the end.
A. was put off B. was put out
C. were put on D. were put away
His sister wanted to have him _____ the radio, but he had had it _____ already.
A. repair, fix B. to repair, fix
C. repaired, to fix D. repair, fixed
