----______ is the library? ---- It’s near the post office? A. What B. Where C. When
I wonder.
—May I speak to Mr. Li? —Sorry. He isn’t in now. Hesomewhere abroad since last Friday.
It’s thoughtful ________you to prepare the film________ for our show.
— He’s often seen to help others,? —. He’s helpful. We all like him.
_______of the class_______ finished the homework already.