36.I sometimes surf the _______（因特网） on weekends.

37 Her writing _________ （习惯）are pretty good.

38 You shouldn’t eat sweet food if you have a ______.（牙疼）

39 We plan ________ （参观）the city museum.

40 It’s 3 _______ （千米）from my home to school.

41 Liu Ying is _______ （严肃）than I am.

42 They ________（两个都） have healthy lifestyles.

43 I am going camping _______ （和）my friends.

44 The doctor ________ （相信）we need a balance of yin and yang.

45 Don’t ______（吃） the medicine any more.