It’s said that scientists have ________ a way to deal with the serious disease

Excuse me, Could you tell__________? —Yes. Go along this street and you will find it on your left.

Would you mind staying in such a noisy room?— No, but my son needs a _________ place to study in.

How ______ you, Jack?—I’m fine. And you?

The mountain was_____ steep (陡峭的) _____ few people in our city reached the top.[ ]