—Driving less, walking more is good for our health.— So I’d rather ________ an hour’s walk to work than ________ driving a car.
The sign_____is often found in a reading-room or a library.
I’ll give a talk tomorrow. I’m thinking about_______.
He is______ outstanding boy. He studies in______ university that I like very much.
—Do you know the girl______Mary Smith? —Yes. She’s my friend.
—What do you think of Harbin and Qingdao in winter? —I think Harbin is______than Qingdao.