12. Whenever I’m in trouble, he always ___________________________________(帮助我 ).　 (hand )

11. The fresh air in the countryside _______________________________(已经改善了) to her health. ( difference )

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

专题训练 (25)

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)

17. I failed in the final examination last term and only when I knew the result ____________________ (我认识到) the importance of studies.　 (realize)

16. ________________________________________(有许多难题要解决)，the newly-elected mayor is having a hard time. (with)

15. He _____________________________(现在正忙于) preparing for the coming examination. (engage)

14. ______________________________(一样) many others, she applied for a training.( common)

13. Professor, who will win the debate on _______________(是否应该允许克隆人类)?(allow)