it has been very cold this year 为什么用been 启一个什么作用
it has been very cold this year 为什么用been 启一个什么作用
there has been too much rain in china this year.为什么要用been?
It's+been++a+long+time.been在这里起什么作用?为什么要用been
It has been very cold lately but it's just beginning to get
Has the new color film been shown this year?为什么用现在完成时的被动语态?
_____has been very coled this year.
lucy has been to____many times this year?
It has been e______ hot this week 填什么
Came to this campus has been a year,time flies,even feel it
It has been e()hot this week.
It has been so bitterly cold here in Pennsylvania.
it has been two day since we left our hometown为什么用has been