---I think Miss Lin must be in the library. She said she would go there.---No, she __________be there. I have just been there.

—— Where is your father?  —— He has gone to the supermarket. He __________ at home.

The new shop announced that the first to purchase goods on the opening day         get a big prize.

You ______ wear sports shoes when you climb a mountain.

--- ____I take the newspaper to the classroom? ---No, you mustn’t. You ______ read it only here.