We could do nothing but to wait there as patientlyas possible. A B C DB to wait---wait

发布时间：2020-08-17 13:34:18

We could do nothing but to wait there as patientlyas possible.
A        B            C   DB  to wait---wait 

网友回答

(答案→)B  to wait---wait 
解析：这种句式中 nothing前面有 do ，but后面的不定式省去to。
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