unit4topic1sa内容摘要：
被动语态 (Passive Voice ) be + done 主动语态： 主语 + 动词 + 宾语 被动语态： 主语 + be + 过去分词 + by + 宾语 Many people use puters. Computers _____ ________ by _______ _________. The workers plant trees in the garden. Trees _____ _______ in the garden ____ the workers. are used many people are planted by Exercise 1. Trees __________ (water) in our school every three days. 2. The zoo ___________ (visit) by lots of children on weekends. 3. A Journey to West ________ (show) on CCTV every summer. Christmas Day, children wake up early and can’t wait ______ (open) the boxes of presents. 5. We’ll have a chance _____ (see) the flower show this weekend. to openis shown are wateredto see is visited A: What’s the lock made of? B: It’s made of metal. A: What’s it used for? B: It’s used for locking the door. v.（用锁）锁上，被锁住 2 Follow the example to make up similar conversations. lock/metal A: What’s the paper made from? B: It’s made from wood. A: What’s it used for? B: It’s used for writing on. paper/wood。阅读剩余 0%
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