David is such a good boy _______ all the teachers like.
We’d better hurry, for there is still a long _______ from home.
-What’s the matter with Tim? He looks upset.-Oh, his cell phone was left in a taxi accidentally, never _______ again.
.-Would you mind my opening the window for some fresh air?- _______
. He stood up, _______ the large door and looked outside. There on the ground lay a white dog.
. I have no dreams _______ to have a happy life.