Unit 6 When was it invented?Section A (Grammar focus—4c)I. 用所给单词的适当形式填空。1. My camera __________ (steal) from my hotel room yesterday.2. This kind of bicycle was _________ (invent) by a middle school student.3. Where ________ these photos _________ (take)?4. The cars _________ (make) in Changchun in 2012. 5. Do you know when that tall building _________ (build)? II. 将下列各句改为被动语态。 1. They planted the trees ten years ago. The trees __________ __________ ten years ago.2. The terrible storm broke the windows of the houses in this area last night. The windows of the houses in this area _________ _________ by the terrible storm last night.3. Mo Yan wrote the book three years ago. The book __________ __________ __________ Mo Yan three years ago.4. The two boys ate the biscuits just now. The biscuits __________ _________ by the two boys just now.5. When did they bring the pieces of clay to Western countries? When __________ the pieces of clay _________ to the Western countries?III. 用所给单词的适当形式填空，使短文内容完整通顺。We can see many inventions around us every day. Some of the inventions 1 already 2 ( |
