6．—Hi, Zhang Hua, Liu Mei has come back from aboard．Let’s have a get-together this weekend , shall we?
—__________．

A．It’s my pleasure   B．Great idea  

C．It’s quite all right  D．It’s very kind of you

7．Jack didn’t go for a picnic．________ he stayed home doing his homework．

A．Instead   B．Therefore   

C．Besides   D．However