Give the correct form of the verb in the box to complete the following sentences.

Câu hỏi :

Give the correct form of the verb in the box to complete the following sentences.

1.   Jack has a right to know. He ought to                              the news immediately. If you don’t do it, I will.

2.   I have no patience with gossips. What I told Bill was a secret. He shouldn’t have                        it to you.

3.   Use this brown paper and tape. A package has to                                    carefully before it is mailed. Otherwise, the post office won’t send it.

4.   I don’t know why Jessica wasn’t at the meeting. She must have                         about it. Next time there’s a meeting. I’ll be sure to remind her about it.

5.   The ancient ruins must have                     as early as 1974. The historical record is difficult to interpret.

6.   You should                       this button back on right away before you lose it.

7.   This burnt out light bulb should have                   days ago. There are some new bulbs in the green cabinet. Could you get one for me?

8.   Did you know that Sylvia bought a new sports car? I don’t know how much shepaid for it, and of course it’s none of my business, but it must have                           her lots of money.

9.   Shhh! Let’s not talk so loudly. We don’t want to awaken the baby. We’d better                           .

10. You’d better not drink that river water. It could                          .