从A、B、C、D四个选项中，选出可以填入空白处的最佳选项最佳选项。

1. It is bad manners to talk to other person with your fingers ________ others.

A. pointing to

B. pointing at

C. pointing out

D. point on

5. 经理无法肯定他能否雇到足够的技工。(certain)

The manager________ ________ ________ whether　 he could employ enough skilled workers.

4. 作者只准备讨论这两个题目。(limit)

The author will ________ himself ________ ________ these two topics.

3. 专家们坚信这个地区的大量癌症病例与新的核电站有直接的关系。(relate)

Experts believe that ________ ________ ________of cancer cases in the area________ ________ ________ ________ the new nuclear power station.

2. 如果你继续行窃，终归得进监狱。(end up)

If you ________ ________ ________ , you’ll________ ________ in prison.

1. 我觉得今天能到这里和你们在一起是非常荣幸的。(consider)

I ________ ________ a great honour________ ________ here with you today.

5.They ________ (involve) in a long legal wrangle over payment.

4. The solution he used ________ (solve) the problem of waste disposal seemed unreasonable.

3. ________ (compare) with the size of the whole earth, the biggest ocean does not seem big at all.

2. Senior ministers ________ (speak) in favour of the proposal.