14.　 Do you have any difficulty ________________________________(学英语)？ (learn)

13. The purpose of the fence is ____________________(不让……进来) a type of wild dog called a “dingo”. (keep)

12. ___________________________(听到这个消息), she couldn’t hold back her tears.　 (hear)

11. Our English teacher suggested ________________________________(我们每人买) a good dictionary.　 (buy)

20. _______________________(就……而言) intelligence, you are more clever than him. (term)

专题训练 (18)

19. If you never make an effort, how can you __________________(希望) success? (hope)

18. You ________________________(不妨) stand on the table to reach the ceiling. (may)

17. It is said that the old building ______________________________(始建于) 1928. (date)

16. ________________________(由于) of his absence, neither agreement was reached. (consequence).

15. Since the foreigner came, we have been giving her Chinese lessons ________________(作为……交换) her teaching us English. (exchange )