题目内容
2020年军队职称英语卫生类B级其他固定搭配词汇指导(13)
提问人:韩莉发布时间:2019-12-24
He had left his key at school, so he had no choice but ________.
A.wait for his mother to come back
B.to wait his mother to come back
C.wait for his mother come back
D.to wait for his mother to come back
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