■ 用at,in或on 填空：
1. He is going to telephone _______five o’clock.
2. My birthday is _______May 21st.
3. It is always cold ________February.
4. My father was there _______1984.
5. He is goingto arrive ________Tuesday.
■ 用across,over,between,off,along,in,on,into,out of或under 填空：
1. The aeroplane is flying_________the village.
2. The ship is going ___________the bridge.
3. The boy is swimming ________the river.
4. Two cats are running ________de wall.
5. My books are _________the shelf.
6. The bottle of milk is ________the refrigerator.
7. The boy is Jumping ________the branch.
8. Mary is sitting _________her mother and he father.
9. It is 9 o’clock. The children are going ________class.
10. It is 4 o’clock.The children are coming _______class.