选词填空。1. Have you done your homework _____?

题目内容：

选词填空。

1. Have you done your homework _____? (for, just, yet)

2. I have_____ been to Chengdu. (ever, never, yet)

3. He has_____ washed the dishes. (already, ever, for)

4. He has worked there_____ he left school. (already, just, since)

5. Have you cleaned your room _____? (for, just, yet)

6. She has known Sam_____ nine years. (for, never, since)

7. They have_____ arrived. (ever, just, yet)

8. Have you_____ ridden a horse? (ever, for, yet)

9. She has known Fred_____ they were at primary school. (already, just, since)

10. We haven't completed the project _____. (already, for, yet)

最佳答案：

1. yet

2. never

3. already

4. since

5. yet6. for

7. just

8. ever

9. since

10. yet

答案解析：

该题暂无解析

考点核心：

根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。