A：Liu Li, I met your brother in the street yesterday．He has changed a lot．
B：Yeah．He went to Guizhou Province three years ago．Last week he returned for a two-month holiday．
A：    ?
B：He works in a school as an English teacher．
A：    , didn't he'?
B：Yes, he did．But now he doesn't wear glasses anymore．
A：     ?
B：Yes, he did．But now he is ．quite outgoing．
A：His English must be very great．By the way, does he often help you with your English?
B：    ．So my English is getting better and better．You can come to my house   this evening, lie can tell you some ways of learning it．
A：  ．
A：You’re welcome．