It is known to all that a proper amount of exercise ______ to good health.
A. benefits B. contributes C. values D. improves
---You’re going to collect money for the drought areas in southwestern China?
---______. We should try our best to give them a hand.
A. No, I am not B. No, I was just joking
C. Yes, I do D. Yes, I have never been more serious
In some parts of the world, many people can’t have free ______ to the drinking water.
A. chance B. use C. right D. access
The little boy still needed the ______ 20 dollars to do with the things ______.
A. remaining; remained to be settled B. remaining; remaining to be settled
C. remained; remained to settle D. remained; remaining to settled
Who was ______ spoke first at the meeting?
A. that it B. it that C. it what D. what it
It was quite a long time ______ he really realized the serious situation.
A. since B. when C. after D. before