I. 用所给单词的适当形式填空
1. He __________（go）swimming in the river every day in summer.
2. It __________（seem）you are right.
3. Look，the children __________（play）basketball on the playground.
4. He __________（listen）to the radio when I came in.
5. It is very cold. I think it __________（rain）.
6. —I need some paper.
—I __________（bring）some for you.
7. I can't find my pen. Who __________（take）it？
8. He said that he __________（come）back in five minutes.
9. I didn't meet him . He __________（lave）when I got there.
10. I __________（lose）my bike,so I have to walk to school.
11. He __________（sit）down and began to read his newspaper.
12. He is very hungry. He __________（not eat）anything for three days.
13. I __________（go）with you if I have time.
14. We will go to the cinema if it __________（be）fine.
15. I will tell her the news when she __________（come）to see me next week.
16. —When __________ you __________（buy）the car？
一In 2010.
17. We __________（be）good friends since we met at school.
18. What were you __________（do）at five yesterday afternoon？