题目内容：

英语翻译
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）

优质解答

1 We keep in touch with the people in the world by means of radio and TV.
2 We must make up for the lost time.
3 The floor is so dirty that it needs cleaning.
4 He was sent to town to find out the situation.
5 An old woman was knocked down when she was crossing the street.
6 The Great Wall was regarded as one of the wonders of the world.
7 Were you watching TV at this time yesterday?
8 Do you mind my watching the TV series?
9 Tom pretended to do his homework when his mother came in.
10 You can go out as long as you promise toi come back before 11 o'clock.