题目内容

Every possible means , but none prove successful.

A. has tried
B. has been tried
C. is being tried
D. tried

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My little sister has broken my watch. ---- My watch _____ by my little sister.

A. is broken
B. has broken
C. have been broken
D. has been broken

He was cleaning his room when I entered the house.---- His room _____ by him when I entered the room.

A. was being cleaned
B. was cleaned
C. was being cleaning
D. has been cleaned

I shall have Finished reading the novel by dinner time. ---- This novel _____ reading (by me) by dinner time.

A. will have finished .
B. will has been finished
C. will have being finished
D. will have been finished

You ought to keep these three rooms clean. ----These three rooms ______ (by you).

A. are oughted to keep clean
B. ought to kept clean
C. ought to be kept clean
D. ought to have been kept clean

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