|
1. There ________(be) some food at home. 2. There ____________(not be) any food at home. 3. There _________(be) a book on the table. 4. There ___________(be) some books on the shelf. 5. There ____________(not be) any books on the shelf. 6. Mary is a good girl. She often _________(help) her classmates. 7. Mary is a good girl. She __________(help) her classmates yesterday. 8. Mary is a good girl. She ____________(help) her classmates tomorrow. 9. Mary ______________(help) her classmates at 8:00 yesterday. 10. Her brother ____________(work) in the shop, her sister works in the hospital. 11. Her brother __________(not work) in the shop. He works in the hospital. 12. The child often ____________(play) football on the playground. 13. The children often ___________(play)football on the playground. 14. The child ___________(play)football on the playground now. 15. The children _________(play)football on the playground yesterday. 16. We often_________(have)lessons on Sundays. Next Sunday we ______(not have)lessons. 17. My father usually ________(have)lunch at the factory. But tomorrow he ______(have) lunch at home. 18. The students ____________(listen) to the teacher now. 19. Look! He is _______(mend) the old bike. 20. Listen! The girl _________(sing) in the next room. (责任编辑：admin) |