all we can do is hope for the best and wait.

问题描述:

all we can do is hope for the best and wait.
为什么用is?不是两件事吗?hope,wait为什么用原型?is后可以加原型吗?

规范的表达是:All we can do is to hope for the best and (to) wait.
一般只省略第二个to,这里是省略了两个,不太规范,但在口语中可以这样说