We must set about our lesson for the mid-term examination.A. reviewingB. reviewedC. to re

发布时间：2020-08-15 03:03:44

We must set about      our lesson for the mid-term examination.
A. reviewing
B. reviewed
C. to review
D. to reviewing

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(答案→)A. reviewing
B. reviewed
C. to review
D. to reviewing
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