14．　 Nothing is impossible, ___________ ?

13．　 She’d better do the chores before her parents come back, ___________ ?

12．　 Linda’s just come back from America, ___________ ?

11．　 They had to leave early, ___________ ?

10．　 You all had a good time, ___________ ?

9．　　　 He hasn’t any brothers, ___________ ?

8．　　　 He looks a little unhappy, ___________ ?

7．　　　 There is no doubt about it, ___________ ?

6．　　　 The old man wouldn’t believe you, ___________ ?

5．　　　 He thinks his aunt is right, ___________ ?