it has been two days since I started study.这句子对吗?

He has been( )(die) fou two days. it has been two days since I started study.这句子对吗? when did you come here?____since we landed here.A.it has been two days B.it was two days 选什么?为什么?为什么？ It has been raining these days. for been she here two has days 怎么连啊 It has been snowy for two days为什么不用snowing（5分钟要答案）或说明可不可以用snowy left =be away fromhe left shanghai two days该为he has been away from shanghai for two daysis it right? it has rained these days it has been rainning these days 什么区别 She has been ill for over two days .(改为同义句） she has been ill for____ ____two days. The meeting___for two days.a.has finished b.has ended c.has been over d.finished It has been one of those days!是什么意思呢?谢谢! It has been rained for 2 days.是不是对的? 把 It has been raining these days.改成一般过去式 It has been so cool for these days. How long has the weather been like this?A,Ever since last night B,Two days agoC,Two days later it ---two days since i bought the dictionary.A.is B. has been C. was D.A and B 急啊! 一道被动语态的习题It _________(sell out)two days ago.答案应该是was sold out还是has been sold out?为什么 英语连词成句 for.been.she.here.two.has.days.英语连词成句 for.been.she.here.two.has.days.