—What are these?
—They’re _______ and _______.
A. sheep; hens B. hens; ship
C. horse; sheep D. sheep; horse
—What were you doing at this time yesterday?
—We _______ in the classroom.
A. read B. were reading C. are reading D.was reading
—Must we finish the project in a month?
—No, you _______.
A. mustn’t B. needn’t C. can’t D. don’t
—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.