1、通过无线电和电视我们能和全世界人民保持联系。（by means of，keep in touch with）
2、我们必须把损失的时间补上。（make up）
3、地板太脏需要扫一扫。（need）
4、他被派进城去，打听那儿的情况。（find out）
5、穿过马路时，一位老太太被卡车撞到了。（knock down）
6、长城被认为是世界奇迹之一。（regard as）
7、昨天这个时候你在看电视吗？（this time yesterday）
8、我看电视剧你有意见吗？（mind）
9、妈妈进来时，汤姆假装正在做功课。（pretend）
10、你可以出去，只要你答应十一点以前回来。（as long as）
1. we can keep in touch with the people of the whole word by means of the radio and television.
2. we must make up the time that we lost.
3. the floor is too dirty, need to be clear away.
4. he is sent to the city to find out the circumstances there.
5. an old lady is knocked down by the truck, when she acrossed the road.
6. the Great Wall is regarded as one of the marvels of the world.
7. did you wacting TV yesterady at this time?
8. Would you mind me watching this TV series?
9. Tom preternding to do the homework when his mother came in.
10. You can go out as long as 11 oclock.
1, through radio and television and the people of the world that we can keep in touch.
2, we have to make up for lost time.
3, floor dirty need to sweep swept away.
4, he was sent into the city to go, inquire about the situation there.
5, across the road, an old woman was hit by a truck.
6, the Great Wall is considered one of the wonders of the world.
7, yesterday, this time you`re watching TV?
8, I see TV you have opinions?
9, when her mother came in, Tom pretending to doing homework.
10, you can go out, as long as you promise to come back before 11 o`clock