What you will see below is highly confidential!
参考答案：1-5 DBACB 6-10 BBACC 11-15 CBDCA 16-20 ACBCB 21-25 CCBDB 26-30 DBBCA 31-35 DCBDC 36-40 DDACB 41-45 ABDDB 46-50 CBABC 51-55 BDAAD 56-60 BDACB 61-65 CBDBD 66-70 ACBBD 71-75 CBBCC 76. If it is fine tomorrow/ If the weather is agreeable to me 77. It will be difficult/hard for us 78. What he had done
79. which/that/-- he bought yesterday 80. go/get there by plane/ by air.
81. A possible version Dear Xiao Gang,
Thank you for your letter in which you asked me for some advice on how to find a part-time job. It’s best for us students to do so when you have a long holiday, such as the summer vacation. You can find the recruitment information on the Internet or in a newspaper. Good luck! Yours, Xiao Hua