问题

Not until the teacher explained the importance ofgetting up early ______ we promise to come early.

A:should
B:would
C:did
D:could

正确答案是：

同类题型

Don’t worry about her; she will realize what you said is for her good

106 Don’t scold him He was just trying todo a good _____

____ you change your mind，please let me know.

He lost his favorite watch, _________ made him very sad.

Don’t let yourself be by a small failure in the experiment Try again.