The Smiths _______ China for ten years , so they have been used to the life here.A. have been to B. have gone to C. have been in
Look at your room. It’s dirty(脏的). Please make it _________________.
---Let’s play computer games. ---______ .
---How do you spell pen ? ---.
Lin Hai and Dave __ his good friends.
Are __ Kate’s __ ?