补全对话,从所给的选项中选择合适句子使文章完整通顺,有两项多余.

补全对话,从所给的选项中选择合适句子使文章完整通顺,有两项多余.
A.I think it is useful to learn Chinese well.
B.Have you ever been to China?
C.How long have you been learning Chinese?
D.Many times.
E.Not very well.
F.Me too.
G.When did you start it?
Peter:Hi,Lisa.What are you doing now?
Lisa:I’m learning Chinese over the radio.
Peter:Really?1
Lisa:Since last year.
Peter:How are you getting on with it?
Lisa:2 It’s too difficult.
Peter:Why not give it up(放弃)?
Lisa:No.3 .
Peter:I agree.4
Lisa:No,never,but I’d like to visit China one day.
Peter:5 My father told me that China is a great country.