A. left B. had left

C. has left D. would leave

A. a; a B. The; /

C. /; / D. a; /

A. improve B. to improve

C. improving D. improved

【题目】— What’s the matter? — Bob knocked over the red wine, the table cloth.
A. ruined
B.to ruin
C.having ruined
D.ruining

A. He had been told B. Having been told

C. Though he had been told D. Having told

一Not until our plan________ by the committee．

A. will be approved B. approves

C. is to approve D. has been approved

【题目】By the time the fire-engine arrived, the fire by the inhabitants.
A.put out
B.had been put out
C.was put out
D.had put out

— ________? He is always so careful when he is riding.

A. What for B. How come

C. Why that D. So what

【题目】We should do everything that we can to stop such a silly mistake again in future.
A.occurring
B.to occur
C.to be occurred
D.being occurred

— Yeah. I _______ in the damaged car, unable to move.

A. was stuck B. have been stuck

C. am stuck D. had been stuck