【正文】
ing D. waving37. A. annoyed B. nervous C. ashamed D. upset38. A. behave B. manage C. help D. work39. A. pushing B. carrying C. buying D. holding40. A. goods B. bottles C. foods D. bags41. A. excited B. determined C. energetic D. grateful42. A. since B. unless C. although D. as43. A. sound B. get C. feel D. look44. A. exchange B. leave C. keep D. spread45. A. sell B. deliver C. host D. pack46. A. contribute B. lead C. apply 47. A. campaign B. trip C. procedure D. trial48. A. elderly B. hungry C. lonely D. sick49. A. aware B. afraid C. proud D. sure50 A. going C. traveling D. playing51. A. praises B. invitations C. replies D. appointments52. A. needs B. interests C. dreams D. efforts53. A. for B. through C. besides D. along54. A. healthy B. public C.