A：This party is such a great idea!

B：（1）　 　 It's been three years since we last saw our primary school classmates.

A：It's interesting to see how people have changed.

B：Billy has changed so much!（2）　 　

A：Yeah，his face always turned red when he talked to girls.

B：（3）　 　

A：That's because he was a really good student.He studied hard and did well in the exams.

B：（4）　 　

A：Yes，and he used to be thin，too.But look how big and strong he is now!

B：He's so popular now.（5）     　

A.I used to see him reading in the library every day. B.I agree. C.Did he use to wear glasses？ D.Sounds interesting. E.He used to be so shy and quiet. F.Did he like talking with others？ G.Look at all the girls around him!