Unit 6 When was it invented一、用所给词的适当形式填空。1. The meat _(cut) up by my mother an hour ago.2. When _soccer_(invent)?3. Those apples _ (wash)just now.4. Liu Hui _(give) a book as a present on her birthday.5. The shoes _(wear) out by the boy last week.二、单项填空。( )1. Michael Jackson was called the king of pop, wasnt he? Of course. He by people all over the world. A. was looked up B. was looked up to C. looked up D. looked up to ( )2. Was table tennis invented by the Chinese? No. It in China until the start of the 20th century. A. played B. was played C. didnt play D. wasnt played( )3. Do you know in ancient China? I have no idea. But I know people once used tree leaves to make paper. A. how paper was madeB. how was paper made C. what paper was made D. what was paper made()4.Keys _ used for _ the doors. A. is; opening B. are; opened C. are; opening D. is; opened()5.We are divided _ five groups. A. in B. into C. as D. with3、 把下列句子改为被动语态。1. People grow rice in the southern part of China.Rice _ _in the southern part of China by people.2. Dad bought me an MP5 player a few days ago.An MP5 player_ _ _ _a few days ago by dad.3. Mr Black wrote an English letter just now.An English letter_ _by Mr Black just now.4. Yesterday I noticed Jim played soccer in the yard.Yesterday Jim_ _ _ _ _ in the yard by me.一、1.was cut 2.was;invented 3.were washed 4.was given 5.were worn二、15 BDACB三、1.is grown 2.was bought to me 3.was written 4.was noticed to play soccer