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

发布时间：2020-08-16 14:56:24

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：考查非谓语动词。do nothing but (to) do除了……. 别无选择，根据含义选择D。
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