1：calling2: purpose 3: attending 4:further 5:offer 6: deadline 7: before 8:send
9: fill 10: online
略
对话填空（共10题，每小题1分，满分10分）
1：calling2: purpose 3: attending 4:further 5:offer 6: deadline 7: before 8:send
9: fill 10: online
略