问题

It will be hard for us to get up in the morning if we _______ to bed too late.

A:went
B:go
C:will go
D:have gone;

正确答案是：

同类题型

He didn’t make________clear when and where the meeting would be held.[ ]

Had she ____her promise,she wouldhave made it to Yale University.[ ]

When people think of this brand,they always __________ it with good quality.

S cientists have many theories about howthe universe________into being.

_____he is ill, ____ he goes to school.