—What _______ the number of the students in your school?
—About two thousand. A number of them _______ from the countryside.
A. is; are B. is: is
C. are; is D. are: are
—I can hardly believe my eyes. Is that you, Lucy?
—Yes. It has been almost 20 years ______ we were together.
A. since B. before
C. after D. until
—It’s smoggy these days. That’s terrible!
—Yes, I hope to plant trees. ______ trees, ______air pollution.
A. The more; the fewer
B. the less; the more
C. The less; the fewer
D. The more; the less
—Do you like seeing a movie on your mobile phone?
— No. I ______do that because it makes me uncomfortable.
A. seldom B. often
C. usually D. sometimes
If you want t get more information about English learning, please visit our _______.
A. company B. store
C. office D. website
—Do you believe that paper is made _____ wood?.
—Yes, I do. And you can see that books are made____ paper.
A. from; from B. from; of
C. of; from D. of; of