10. I'm afraid you (lose) the key,haven’t you?

9. Is it possible for our team (win) the game in the next three minutes?

8. I want to buy some presents for all my family,but I (not choose) any yet.

7. Carl used to spend a lot of time and money (play) computer games.

6. I couldn’t stop (talk) with them when I was in the park.

5. Millie (read) under the tree at this time yesterday.

4. your mother (leave) home yet?

3. There (be) more than two hundred countries in the world.

2. Over the last three years,we (learn) about 1,000 words.

二、动词填空。(30分)

1. The film star waved to the visitors while (march) down the street.