Question

一Most of the wild animals are       because of their bad living environment.

一So we must do something to save them.

A. in need    B. on duty

C. at work    D. in danger

Answer

D

【解析】

句意：——大多数野生动物由于生活环境恶劣而处于危险之中。——所以我们必须做些什么来拯救他们。考查介词短语辨析题。A. in need需要，和of连用；B. on duty在值班；C. at work工作中；D. in danger在危险中。save拯救；根据句意语境，可知ABC三个选项意思都与句意不符，故选D。