基本语法

1. I think Erin should tell her friend Anna not __________ (be) late for class again.

2. __________ we __________ (need) to buy some more chicken, mom?

3. Don't let the students __________ (do) lots of homework.

4. Could you please __________(bring) your photos to school?

5. Can I borrow some books __________ the library this afternoon?

6. We'd like you __________( play) volleyball with us.

7. All my friends __________ (invite) to the party, but he __________ (not invite) me.

8. Can you see some boys __________ (play) basketball over there?

9. I think they need more time __________ (study) so that they can get good grades.

10. The old man seemed __________ (know) nothing about this accident.

在用户已经检索到的结果的基础上进行再次检索是指（）。

A.分类检索

B.热点检索

C.高级检索

D.二次检索