题目内容
用适当的介词填空
A knife is used ________ cutting things.
________ a while, the shop keeper came out.
A cheetah can run one hundred kilometres _______ hour.
1.I often watch TV Saturday evenings.
2. In highrises people go up and down a lift.
3. Most students go home school. But some stay_________ school.
4.____________February there are only 28 or 29 days. It has the fewest days ______the twelve months
5. It is a long way_____________ China and the U.S.
6. Whales can stay______________ the water_____________ a long time. They come up only_____________ air and their noses are____________ the top of their heads.