They are the old houses in order to set up a new teaching building.A. tearing downB. tear

发布时间：2020-08-16 07:25:12

They are      the old houses in order to set up a new teaching building.
A. tearing down
B. tearing up
C. putting up
D. putting down

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(答案→)A. tearing down
B. tearing up
C. putting up
D. putting down
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