—Which is _______, the sun, the moon or the earth?
—Of course the sun.
A. smaller B. the smallest C. bigger D. the biggest
—How many students are there in your school?
—_______ students, I think.
A. Thousand of B. Three thousands
C.Three thousand D. Three thousands of
—Would you mind my smoking here?
—_______ It’s not allowed here.
A. Of course not. B. You’d better not. C.Yes, please.D. OK.
—_______ do you have a sports meet at your school?
—Once a year.
A. How soon B. How often C. How long D. What time
The old man was _______ sad _______ say a word when he heard the bad news.
A. too; to B. enough; to C. such; as D. so; as
—Do you often help your cousin with his English?
—No. He learns English _______.
A. by himself B. for himself C. with himself D. on himself