I’m very glad I have my own room in my house. I ______ do what I want in it.
There’s a policeman over there . Let’s ask him ________.
____ great picture! Who painted it?
—____ interesting the storybook is! —Yes. I have read it twice.
Please connect the phone ________ the computer.A at B.into C.with D.in
Why not join an English club to practice ________?