问一些英语方面的题1.We often heard Mary sing in her bed-room.(改为被动语态）

问一些英语方面的题
1.We often heard Mary sing in her bed-room.(改为被动语态）
2.We wash our clothes once a week.（改为被动语态）
3.The abacus was invented in the sixth century.(对划线部分提问）
4.They are used for seeing in the dark.(对划线部分提问）
5.I think the most useful invention is the light bulb.(对划线部分提问）
6.它不仅会说英语,而且会说法语.(翻译）
He can speak_________________________________.
7.男女老少都喜欢这个令人欢迎的体育项目——篮球.(翻译）
Basketball--this____sport is____by men and women,and by young and old.
8.我们交的朋友越多,就会越高兴.
The____we____friends,the____we will be.
9.你能让我搭便车吗?
Could you____me a____?
10.I was working as a v____in a hospital.(填空）
3.The abacus was invented (in the sixth century).(对划线部分提问）
4.They are used for (seeing in the dark).(对划线部分提问）
5.I think the most useful invention is (the light bulb).(对划线部分提问）
划线部分为括号里的内容