17. Have you seen a book, ________________________________(它的封面破了)?　 (cover)

18　 ___________________________________(丢了新自行车) made her very upset.　 (lose)

16. A shopkeeper was sentenced to eight years in prison because he ___________________(兜售了) fake milk powder. (sell)

15. The man ______________________ (被指控杀人) said that he was innocent.　 (accuse)

14. Colour-blind people often find it difficult ______________________________(区别绿色和红色). (distinguish)

13._______________________________(下次你进来时), please close the door.　 (next time)

12. To the delight of the WHO, the Chinese government _____________________(在采取措施阻止) the spread of AIDS. (take)

11. It is strange that the twin girls ____________________(无共同之处).　 (common)

20. Henry said he was going to travel with us but he didn’t. He ________________________(肯定改变主意了).(mind)

19. _______________________________________(他一开窗户)，a sparrow flew in. (minute)

18. We asked Tom and Mary, but　　　　 ________　 (两个人都不能) offer a satisfactory explanation. (neither)