问题

Why didn’t you come to Mike’s birthday party yesterday? — Well, I ____, but I forgot it.
A:should
B:must
C:should have
D:must have
B:must
C:should have
D:must have
正确答案是:
同类题型
Though money, hisparents managed to send him to university.
-__________ are you always staying up so late these days-To prepare for my final exam.
They would rather _______colors like orange or yellow than blue or white.
Just be _______, you can’t make such great progress in a day. It takes time.
________ the editor at the airport?— No, he ________ away before my arrival[ ]