Two months ago he ____from abroad.
A. return
B. returns
C. returned
D. was returning
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要洗好头发,必须注意:水的选择、 ___________ 、 _____________ 。
Coal _____to produce electricity for agriculture and industry.
A. can use
B. can be used
C. is to use
D. is using
I was just ____into a doze when he started up.
A. fall
B. fell
C. falling
D. about to fall
I’m sure he ____not mind your going with me.
A. shall
B. can
C. would
D. must