问题补充:
There are only 30 seconds and we can’t but without him.
A. to go ,to go
B. to go ,go
C. going ,go
D. going ,to go.
答案:
A. to go ,to go
(答案→)B. to go ,go
C. going ,go
D. going ,to go.
解析:“只有30秒了我们只能不等他了”, can’t but后跟到处原型表示“只能”,因为还剩30秒所以用不定式,答案B。