why
为什么A:Hi,xiao hui!_____it going?B:Pretty good,i am on____in E’mei A:How is the____in E’mei?B:Very cool! you know it is very hot in chengdu this year.A:And it is very humid,it is really nice to be in E’mei.B:____do not you come here?A:Oh,i can not .my grandma is ill, i am with her.B:Good boy. hope your grandma will be______soon.good bye!A:Bye.那这个呢？1.How2.vacation3.why4.better