【正文】
一些動(dòng)詞不定式在主動(dòng)語態(tài)中省略 to 作賓語補(bǔ)足語,改成被動(dòng)語態(tài)時(shí), to 必須還原。 Exercises 1. Complete the sentences with the correct form of the words. think one day books may ___________(place) pletely. 2. My bike _____________(leave) at school, so I have to take the bus to school today. 3. The battery ___________________(charge) yet. How can I use my recorder. 4. Paper should not _________(throw) away. 5. Books and other material can _____________(borrow) from the library. 6. I’ ve bought a secondhand MP3 player— and about 1,000 songs have ___________ (download) onto it! 7. Has the puter ________________(repair) yet? I need to write my article with it. 8. What have ________________(turn on)?The radio. 2. Work in pairs: Complete the quiz questions and choose the correct answer. a) The Egyptians b) The Ancient Greeks c) The Romans 2. What/ use/ to make paper since the 19th century? a) Wood b) Silk c) Cotton a) In New York b) In Athens c) In London ’ s oldest book printed on paper/ discover