It＿for three hours.When will it stop?A.has rained B.has been

It＿for three hours.When will it stop?A.has rained B.has been it has been rained all morning. I wonder when it will stop.( he __ for three hours.A.has bought it B.has received it C.ha It has been rained for 2 days.是不是对的? 英语 完成时It has been raining for three hours.为什么要加been?加been不是表 2.He a teacher for three years.A.has be B.has been C.will be It has been three hours since he left his office.把has been 换 it 什么 when they left the station.A,has rained B,is raining C It has rained nonstop for ten days... he has been a soldier for three years.改为同义句：It is three year Do you think the rain will stop tomorrow?____.It has rained it has been a