There is nothing for us todo except _off the opening ceremony because of

问题描述:

There is nothing for us todo except _off the opening ceremony because of
the bad weather.(put)用适当形式填空 答案是put,这里用的是原型还是过去式,为什么用put.

there is nothing to do except do,是除.之外,别无选择的意思.是短语.所以put是原形