13.　 The workers get paid __________________________________________ (按天). (day) 教育博客

12.　 I used to ___________________________ (积极参加) all kinds of activities after class. (part) 教育博客

11.　 ___________________________________ (穿着白衣服)， she looks more beautiful. (dress)

20. There is _________________________________(极缺) oxygen at the top of the mountain. ( shortage).　

专题训练　 (52) 教育博客

19. The gift ___________________________________( 本来是给你的)，but it was taken by your brother.( intend)

18. Cheer up! The matter ___________________________________(有望) to be solved within 2 days. (expect)

17. Just then, in came a very old woman, __________________________(扶着) by a poorly-dressed boy.(support)

16. More than ___________________________________(地球表面的百分之七十) is covered with water. (surface)

15. Mary was walking on the street when suddenly a stone ___________________________ (打在她头上) (hit)

14. __________________________________(他一到) to the station when the train left. (hardly)