---There is somebody knocking at the door. Who________ it be?---I’m not sure. It ________ be a postman.
I don’t know the meaning of this word; can you ______ it in Chinese?
The story is ______ and all of us are _______ in it.
Let’s _______ to the opera tonight.
Would you like _______ us to Shanghai?
Miss Zhang hopes ______ a teacher.