一、用所给词的适当形式填空：
1．He______swimming in the river every day in summer. (go)

2.It________you are right. ( seem )

3.Look, the children______  basketball on the playground. ( play )

4.He______to the radio when I came in, ( listen )

5.It is very cold .I think it______ . ( rain )

6. —I need some paper .           —I______ some for you . ( bring )

7.I can’t find my pen . Who______it ? ( take )

8.He said that he______back in five minutes . ( come )

9.I didn’t meet him. He______ when I got there. ( leave )

10.I______my bike, so I have to walk to school. ( lose )

11.He______down and began to read his newspaper. ( sit )

12.He is very hungry. He_________ anything for three days. ( not eat )

13.I______with you if I have time . ( go )

14.We will go to the cinema if it______fine . (be )

15.I will tell her the news when she______to see me next week. (come)

16. “ When______you______the car ?”     “ In 1998 . ”( buy )

17.We______good friends since we met at school . （be）

18.What______you______ at five yesterday afternoon ? (do)

19.The bike is nice . How much______it______? (cost)