1 . 昨天这对夫妇肯定是去朋友家里一起庆祝节日了。(汉译英)

2 . He came to realize that social media wasted lots of time which he ____________ on his research essay.

A．should spend

B．must spend

C．should have spent

D．must have spent

3 . From her near-perfect performance on stage, I realized that she ________ a lot of time preparing for it.

A．must have spent	B．should have spent
C．would have spent	D．could have spent

4 . Shelley _________ have caught a cold from the rain, for she has a cough and a runny nose.

A．can

B．must not

C．must

D．can not

5 . They ______ finished the project; it was due on last Friday.

A．must have

B．ought to have

C．would have

D．might have

6 . 当孩子们拆开这封信的时候一定非常高兴。（must）（汉英译）

7 . — Congratulations! You ________ have made great efforts for the English speech contest.
— Thanks. I do appreciate my teacher’s guidance.

A．might

B．must

C．should

D．could

8 . My pain _____ obvious the moment I walked into the room, for the first man I met asked sympathetically, “Are you feeling all right?”

A．must be

B．may be

C．might have been

D．must have been

9 . 对不起，我一定是拨错电话号码了。 (must have ...) （汉译英）

10 . —That lecture was a boring and confusing one.
—Then it       Dr. Kevin’s because he is so interesting and fascinating. It       Dr. Jaco’s, he is just that type of person.

A．couldn’t have been…must be	B．couldn’t be…can be
C．mustn’t be…can’t be	D．can’t have been…must have been