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.