He gave me the phone number in order ______ contact him when we are in need of help.
Do you know the mansunglasses?— Yes. He’s Tony’s dad. [ ]
I met a friend of mine _____ in the street yesterday .[ ]
________of the land in that district________ covered with trees and grass．
When are you going to Hainan?—I am going there ___ June 8, 2011.[ ]