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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You are about to write a poem, aren't you? ---- A poem _____ (by you), _____ ?
A. is about to be written, aren't you
B. is about to be writing, isn’t it
C. is about to be writing, aren't you
D. is about to be written, isn’t it
She had better leave a note to him. ---- A note _____ to him (by her).
A. had better left
B. had be better left
C. had better be left
D. had better been left
He doesn't do his homework every day. ---- His homework ______ by him every day.
A. doesn't be done
B. aren't done
C. don't be done
D. isn’t done
We must take care of our parents when they are old. ---- Our parents ______ when they are old.
A. must be taken care
B. must be took cars
C. must take care of
D. must be taken care of
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