Many kinds of wild animals are . We must do something to save them.A. in factB. on holiday

发布时间：2020-08-21 05:27:32

Many kinds of wild animals are     . We must do something to save them.
A. in fact
B. on holiday
C. on time
D. in danger

网友回答

A. in fact
B. on holiday
C. on time
(答案→)D. in danger
解析：根据后文的内容可知，be in danger，故选D
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