____________ Tom __________ Mary speaks good Chinese, so they can communicate with these Chinese students very well.
A. Neither； nor B. Not only； but also
C. Both； and D. Either； or
If you have any problems, you can ask Dr. Know-all _________ help.
A. at B. on C. for D. with
—Great changes have taken place _____ we enter E-Times.
—Yeah. I agree with you.
A. since B. as soon as C. when D. before
Look at the math book. Do you know ______ it might be?
A. where B. who C. what D. whose
How I wish I could sleep longer! However, I had to get there before the plane_________.
A. ran off B. went off
C. took off D. set off
—The box is too heavy to carry. What’s in it? —Oh, it is ________ books
A. filled with B. covered with
C. used for D. asked for
