1UnitUnit 6 6 WhenWhen waswas itit inventedinvented一、根据汉语提示完成单词。1. I like the color of this coat but I dont like its _（款式）.2. Its my great _（高兴）to have a talk with you.3. The little inventions have helped me a lot in my _（日常的） life.4. Julia introduced a good _（网站） to me to learn English.5. My mother always _（列清单） all things that she wants to buy before shopping.二、用所给词的适当形式填空。1. There are many old _(invent) in the museum.2. I think computers are _(use) inventions in the world.3. Stamps are used for _(send) letters.4. I would help you with the schoolwork with _(please).5. English is _(wide) used in the business around the world.三、选择填空。( )1. Do you think the old machine is _. Yes, its _ for carrying water.A. use; used B. useful; used C. useful; useful D. use; using( )2. He _ the telephone which is still being used today.A. invented B. discovered C. found D. found out( )3. A new scarf _ her mother by a little girl yesterday.A. bought for B. bought to C. was bought for D. was bought to( )4. When _ the bridge _? Last year.A. did; build B. was; build C. was; built D. did; build( )5. Why is the classroom so dirty? Sorry, sir. It _ yesterday. We forgot to do it.A. doesnt clean B. didnt clean C. isnt cleaned D. wasnt cleaned( )6. The 30th Olympic Games _ in July 2012 in London.A. is held B. was held C. will hold D. will be held( )7. Last year, Shenzhou-10 _ into the space. It made us proud.A. is sent B. was sent C. sends D. sent( )8. Oh, my God! I cant find my key to the office. Dont worry. Perhaps it _ at your home.A. left B. has left C. was left D. had left四、句型转换。21. They are used for seeing in the dark.（对画线部分提问）What are they _?2. English is widely spoken in the world.（改为主动句）People speak _ in the world.3. I think the most helpful invention is the light bulb.（对画线部分提问）_ you think _ the most helpful invention?4. I think the TV was invented before the car.（改为同义句）I think the TV was invented _ the car.5. The zipper became popular around 1917.（改为同义句）The zipper was _ around 1917.把下列句子改为被动语态。