11. Whether Siheyuan should be kept or not is a hot topic under (讨论) .

10. We gather here for the same (目的).

9. He needs to be taken to hospital right now since he can't stand the  (疼痛) .

8. Sometimes we should be encouraged to give a (亲吻) to the one you love.

7. Tm afraid you have to wait for your (顺序) to pay your bill.

6. We used to be (亲密的) friends but now we don't even talk to each other.

5. I think some (话题) such as marriage,salary or age can 't be included in the conversation.

4. She tried to (解释) the new law to us but we just couldn’t understand.

3. It's impolite for us children to shout loudly in (公开的) places.

2. We should (避免) being trapped in the house when earthquakes happen.