--What do you think of your math teacher?
-- He is kind, he looks serious.
A. because B. though C. since D. or
-–- I wonder if he to see us tomorrow.
---I’ m sure if he , he will bring us some wonderful gifts.
A. comes; will come B. comes; comes C. will come; will come D. will come; comes
—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
School students ________ smoke because it is against the school rules.
A．needn’t B．couldn’t C．won’t D．mustn’t
_____ great fun it is to make a snowman in winter.
A. What B. What a C. How D. How a
The flight to London was because of the heavy snow.
A. put up B. put out
C. put off D. put away
