时间:2017-06-09 20:45:36
38. A. behave B. manage C. help D. work
39. A. pushing B. carrying C. buying D. holding
40. A. goods B. bottles C. foods D. bags
41. A. excited B. determined C. energetic D. grateful
42. A. since B. unless C. although D. as
43. A. sound B. get C. feel D. look
44. A. exchange B. leave C. keep D. spread
45. A. sell B. deliver C. host D. pack
46. A. contribute B. lead C. apply D. agree
47. A. campaign B. trip C. procedure D. trial
48. A. elderly B. hungry C. lonely D. sick
49. A. aware B. afraid C. proud D. sure
50 A. going B. sleeping C. traveling &n