17．The movie is to deucate people about environmental problems our planet.A. threatenedB.

发布时间：2020-08-16 06:32:33

17．The movie is to deucate people about environmental problems our planet.
A. threatened
B. being threatened
C. threatening
D. to be threatened

网友回答

A. threatened
B. being threatened
(答案→)C. threatening
D. to be threatened
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