3. 回答了老师的问题后，她坐了下来感到很放松。(v.-ing)

                  ，she sat down and felt much relaxed.

2. 天气允许的话，我们明天会去野餐。

              ，we will go for a picnic tomorrow.(独立主格结构)

1. 我正在看书，这时突然灯灭了。

I was reading           the light went out. (when并列连词)

10. Jim was                (熟睡) with his back against a big tree.

9. When a volcano begins to erupt and the lava flows,everything in its path is buried                  (在熔化的岩石下面) .

8. I'll stand this box in the corner; it will be                     (不挡道) there.

7. I am honoured to                   (被任命为) the manager,and look forward to working with all my colleagues for our future.

6. Would you like to                    (更加近距离地看) the photographs?

5. Shanghai adopted similar rules a year ago,but people do not seem to             (很留意) .

4. He             (对.. 很热心) sports,for he was an extraordinary athlete.