Alan is a careful driver, but he drives _________ of my friends.
A. more carefully B. less carefully C. the most carefully D. the least carefully
–You can’t imagine _______ great fun chatting online is.
– Really? But it may cause you a lot of trouble.
A. what B. how C. why D. whether
One of the most interesting places in Hangzhou ________ are often visited by foreigners is the West Lake.
A. what B. who C. that D. /
–Tom, you didn’t come to my party last night?
– I ________, but my mom hurt her back and I had to look after her.
A. had to B. didn’t C. wouldn’t D. was going to
Their school looks quite different from _______ ten years ago.
A. what it was B. that it was C. what was it D. that was it
We must try our best to stop pollution ______ a low-carbon(低碳)life.
A. from living B. to live C. living D. live
