1 . The bridge ____________(build)now will be completed in two weeks.

2 . It is widely believed that the four men have been killed by the accident.(改成以the accident作主语）

3 . The house________(build)there now will be a shop. （所给词的适当形式填空）

4 . Both of the two math problems are not very difficult. （英译汉）

5 . The two girls talked with each other so merrily as if they ___________ (be) friends for many years.

6 . 参加社区服务对提高青少年的综合能力有好处。（involve）

7 . 直到亲眼见到，我才会相信。
I__________________ I have seen it with my own eyes.

8 . For most people today, ___________. But as for me, ___________ should be regarded as ___________.
如今,多数人将上网作为获取信息的主要来源。但就我而言，读报应该被看作一种更好的来源。

9 . ________ (bury) deep down in the earth, the dead forests rotted away and became coal. (所给词的适当形式填空)

10 . Humankind should avoid such a war as could result in the use of chemical and ________ (biology) weapons. （所给词的适当形式填空）