The boy was having a class when the earthquake broke out in yushu. He could have been kill

发布时间：2020-08-16 09:02:43

The boy was having a class when the earthquake broke out in yushu. He could have been killed if he      with his family.
A. had stayed
B. stayed
C. would stay
D. is to stay

网友回答

(答案→)A. had stayed
B. stayed
C. would stay
D. is to stay
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