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)