答案：
一、BCBAC CABBC ABACA BEDCA 二、CBAAD DBCAC BACDD 三、BCDAC BADCB
四、BABCD BDCAD BBCDA BDACE
五、66. count 67. or 68. always 69.talking 70.sent
71.friends 72.free 73. me 74.around 75.people 六、76. The sun will come out soon. I will stop raining later It will be sunny.
77. Who (else) is going to the party
Who (else) is going to attend the party Who (else) have you invited 78. I can make Chinese food I can make fruit salad.
79. ( Are they) Russian(s) Your Russian cousins
80. I?m sure everyone will have a good time I believe we?ll have a good time 七、书面表达： 略