7. 这道菜尝起来味道不是很好，对吗？

This dish doesn't taste very good,                                  ?

 8. 你还没看过这次展览，是吗？

You haven't seen this exhibition yet,                                  ?

 9. 今天我们的英语课很有趣，是吗？

Our English lesson was fun today,                                  ?

10. 你知道如何跟美国人闲聊吗？

Do you know how to                                                    with Americans?

11. 在聚会时，谈论天气有助于打破僵局。

Talking abut the weather will help to                                                    at the party.

12. 这辆校车总能按时到达，不是吗？

The school bus always arrives on time,                                  ?

13. 那台电脑花了多少钱了？

                                  did the computer                 ?