【正文】
y the children.A. is, singing B. is, sung C. will, sing D. was, sung windows of our house _____once a week.A. must clean B. have cleaned C. is cleaned D. are cleaned 23. When ______ the People39。s Republic of China_____ ?A. was, found B. was, founded C. did, found D. does, found 24. Mary39。s radio ______ by my brother just now.A. will be mended B. has mended C. was mended D. mended 25. Your exercise books _____ after class.A. will hand in B. must hand in C. handed in D. must be handed in 26. Some trees may ______ at other times of the year.A. be planted B. plant C. are planted D. will be planted 27. The sun _____ at night as . can be seen B. can39。t see C. can39。t be seen D. doesn39。t see 28. A new English play _____ there next week.A. will put on B. will be put on C. is going to put on D. will be putted on 29. A strange thing _____ in our school yesterday.A. was happened B. has been happened C. happened D. was going to happen 30. The glass ______ . It _____ by little Tom this morning.A. broke, is broken B. is broken, was brokenC. was broken, broke D. has been broken, broken Ⅱ把下列句子改為被動(dòng)語(yǔ)態(tài) 1. I saw the boy run yesterday. 2. He is cleaning the room at the momemt.3. You can find a lot of differences between the two languages. 4. Do you water your flowers every day? 5. The wind blew down the big tree last night. 6. We should water the flowers every day.7. He has learned Englis for three years. 8. Mother was not mending the trousers. 9 . They were making this kind of recorder in Beijing .10 . The peasants are planting crops in the fields .