4.　　　 He didn’t go out yesterday because of the rain.

3.　　　 It took about twenty minutes to get to school from here on foot.

2.　　　 I think none of them is interesting.

1.　　　 We have been away from Beijing for five years.

10.Linda finished high school last year.

Keys:

9. He has heard from his penfriend.

8. Would you mind my smoking here?

7. I will stay at home instead of having a picnic.

6. The teacher helped Jim to pass the exam.

5. He speaks English well and his sister also speaks English well.