I have _____ been to Hong Kong .I will go there next week.A.

I have _____ been to Hong Kong .I will go there next week.A.just B.yet C.already D.never
--_______Chongming Island?--Yes,I have already_______ there.
A.Have you been to,been B.Have you been to,been to C.Will you go to,been D.Are you going to,been to
There is _______ to do to look after our environment.
A.a lot B.plenty of C.a lot of D.many things