从下面的方框中选出合适的句子补全对话。

A．　 26　 ，sir？

B：I want to buy a shirt for my son．

A：　　　 27　　　

B：Blue．

A：　 28　　

B：I think it’s too big．　　 29　　　

A：Yes，this one looks nice．How do you like it?

B：Very much．　　　 30　　　

A：Thirty yuan．

B：OK．I’ll take it．

25．It’s too late．Please stop 　　　(work) and go to bed．

24．Be quiet! Someone 　　　　(study) in the next room．

23．Bill 　　　　　(study)in Canada for two years．

22．--　　 　you 　　　　　(look)in the gym, Danny?

　　 --No, I haven’t．

21．It Would be fine 　　　　(travel) in China．

20．He always plays jokes on us to make people 　　　　(laugh)．

19．Every boy 　　　　(like)going hiking．

18．He usually 　　　　(do)some shopping on Sundays．

17．We 　　　　(have) some chicken for supper this evening．