问题

____ better last night, but she was a little nervous and didn’t reach her best standard.

A:could perform
B:must have performed
C:should perform
D:could have performed;

正确答案是：

同类题型

The suggestion ________ by the teacher is available.

Wearing dark glasses can _______ your eyesfrom the sun

The girl in the photo was smiling sweetly, ________.

Everyone must stay at home_____the weather gets good.

My mother often tells me______the teacher in class.