题目内容：

补全对话（根据对话内容，从对话的选项中选出能填入空白处的最佳选项，将其字母序号写在答题卡上。选项中有两项为多余项。每小题2 分；满分10分）

—He is very good , isn’t he ?

—16__________

—I said the singer was great .

—17__________

—Have you seen him here before?

—18_______I think he  probably writes the music and words because I’ve never heard any of the songs before .

— It’s not fair.

—19_________

—People with musical ability like that have to stand around here to make a living .

—Perhaps he enjoys it or makes more money than you think.

—20___________

A．What do you mean ?

B．Sorry , what did you say ?

C．I hope so .

D．Do you like popular music ?

E. Be quiet , listen to him .

F. Yes , and interesting to watch

G. Oh , yes . He’s always at exactly the same place on Saturdays when I come into town