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the boys?11. I saw somebody in the room just now.I did not see anybody in the room just now.Did you see anybody in the room just now?12. There is some wonderful news in today’s paper.There is not any wonderful news in today’s paper. Is there any wonderful news in today’s paper?13. Xiao Li dropped the letter into the letter box.Xiao Li did not drop the letter into the letter box.Did Xiao Li drop the letter into the letter box?14. They are playing on the playground.They are not playing on the playground.Are they playing on the playground?15. Tom often tells them stories in French.Tom does not often tell them stories in French.Does Tom often tell them stories in French?16. After class some students play balls.After class no students play balls.Do any students play balls after class?17. Mary is reading newspaper nowMary is not reading newspaper nowIs Mary reading newspaper now?18. I telephoned you yesterday.I did not telephone you yesterday.Did you telephone me yesterday?19. You have to go now.You do not have to go now.Do I have to go now?20. I have a house in the country.I do not have a house in the country.Do you have a house in the country?21. We did our homework together.We did not do our homework together.Did you do your homework together?22. They study for examination.They do not study for examination.Do they study for examination?23. We are talking about the film.We are not talking about the film.Are you talking about the fi