| 按要求完成下列各题 |
| 1. We gave away some books to the children.(变为被动句) Some books __________ __________ __________ to the children. 2. The girl came up with a good idea.(变为被动句) A good idea __________ __________ __________ __________ by the girl. 3. Bill Gates wrote The Road Ahead in 1995.(变为被动句) The Road Ahead __________ __________ __________ Bill Gates in 1995. 4. The key is used for locking the door.(对画线部分提问) __________ is the key __________ for? 5. This kind of machine was invented by Tom.(对画线部分提问) __________ __________ this kind of machine invented by? 6. The hand-held calculators were invented in 1991.(对画线部分提问) __________ __________ the hand-held calculators __________? 7. The battery-operated slippers were owented by Julie Thompson.(对画线部分提问) __________ were the battery-operated slippers __________ __________? |