【正文】
改為被動(dòng)語(yǔ)態(tài),并根據(jù)情況保留或去掉動(dòng)作的執(zhí)行者1. They will say nothing more about this matter.2. They have made some flowers of silk.3. He wrote a poem.4. The students are planting some trees and flowers.5. They are to open up a new business next week.6. Children couldn’t have done all this damage.7. All of us will see him off at the airport.8. They feed the tigers at the zoo three times a day.9. You must hand in your homework before five.10. People say that she is a good teacher.Ⅴ. 用所給動(dòng)詞的正確形式填空1. English ________ (speak) in many countries.2. Information in shortterm memory ________ (can, not, keep) very long.3. After that, one of the lights _______ (