2. In order to keep pace with times, we must 　　　　the rapidly changing society.

A. stick to B. devote to

C. react to D. adapt to

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

1. The suspect claimed 　　　　　TV with his family when the house caught fire.

A. watching　 B. to be watching

C. having watched　 D. to have watched

5. 他开会时总是开门见山，简洁明了，这一点很受我们的欢迎。(come straight to the point)

4. 你怀疑他对你的感情，这是不公平的。(be sceptical about)

3. 士兵们被训练得能够适应各种艰苦的环境。(adapt to)

2. 昨天晚上可能下雨了，地面有点湿。(might have rained)

1. 这些发现可能有助于进一步了解宇宙的起源。(throw light on)

5. The mayor immediately set about 　　　(attack) the organised crime the moment he got there.

4. The matter 　　　(relate to) your study surely requires　　　 (deal with) carefully.

3. The bell 　　　(indicate) the end of the period rang,　　　 　(interrupt) our heated discussion.