问题

“Why didn’t she come to the meeting yesterday？” “I’m not so sure. She ______ ill.”

A:should be
B:should have been
C:must be
D:might have been

正确答案是：

同类题型

_______ to the man’s timely coming, the _____ boy was saved.[ ]

Who do you think ________the book here?—It may be John.He was sitting here all the morning

At present an increasing number of parents wish to _________ changes in educating their children due to dissatisfaction with the educational system.

Betty, you acted very well in the play! ___________

Passion is passion and it doesn’t matter ________ it’s directedExactly，it can be coins or sports or politics