His mother could do nothing but for the doctor to arrive. A. to waitB. waitingC. waited

发布时间：2020-08-17 06:48:07

His mother could do nothing but      for the doctor to arrive.
A. to wait
B. waiting
C. waited
D. wait

网友回答

A. to wait
B. waiting
C. waited
(答案→)D. wait
解析：考查固定用法。can/could do nothing but do sth else别无选择只好做某事。“前有do后省to”，当前面出现do时，后面省略不定式符号to。故选D。
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