What is the best way you can imagine ______the overuse of water in our school?
A. reducing B. to reduce C. reduced D. reduce
We should do what we have to do ______ we can do what we want to do in the future.
A. so that B. in case C. for fear that D. now that
Please don’t phone him between 1 and 3 p.m. tomorrow. He _____ a lecture then.
A. has delivered B. has been delivering C. will be delivering D. delivers
If you are not satisfied with the price _______, we can still discuss it.
A. being offered B. to offer C. offering D. offered
Drunk driving used to occur _______, but now it is under control.
A. frequently B. generally C. practically D. gradually
Cooking calls for patience and time but it is enjoyable experience.
A. a; the B.不填; an C. the; an D. a; 不填
