Seeing their son back home safe and sound, the couple smiled .A. in peaceB. in reliefC. in

发布时间：2020-08-16 16:06:34

Seeing their son back home safe and sound, the couple smiled     .
A. in peace
B. in relief
C. in return
D. in turn

网友回答

A. in peace
(答案→)B. in relief
C. in return
D. in turn
解析：短语辨析，四个选项分别表示和平的安详的、显著地如释重负、作为回报和轮流依此，根据题意看到他们的儿子平安回家，这对夫妇如释重负地笑了。
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