2022教育周报七年级聊城专版英语答案

第一节Dear Mr GeorgeI am Li Hua, a volunteer of the activity"Englishi Communication to the Mountains". Now, I'm writing toexpress my sincere apology to you for not being present atthe activity to be held next Monday.The reason for my absence is that I suddenly fell illMy parents sent me to hospital, and I have to stay therefor a week. As for my volunteer work, I have asked myclassmate Tom to do it.Sincerely hoping that you can accept my apologiesYours.Li Hua

17.(1)C=;(2)c:-6【详解】(1)m·=sin!cosB Sin B. cos!=si(A B)对于AABC,A B=丌-C,0

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