It has been required that our monitor ___our homework before 6 O' clock.A hand out B hands out C has handed out D had handed out Nowhere else in the world __this kind of animal ___in past few years A had ..been found B was...found C has...found D has

I am sure Mary has been here and _.A.did what required her B.has done what required her C.has done what was required of her D.did what has been required of her为啥选C啊 We will respond to your request once it has been reviewed and any required investigation completed麻烦帮我翻成中文好吗? it has been since.用法 It has been in my it is/has been= It's has been accepted it has long been assumed it's always been you(It has always been it has been可以缩写成it's been it's been.的全称是不是 it has been... It has been required that our monitor ___our homework before 6 O' clock.A hand out B hands out C has handed out D had handed out Nowhere else in the world __this kind of animal ___in past few years A had ..been found B was...found C has...found D has Thank-you for your e-mail.We will respond to your request once it has been reviewed and any requiThank-you for your e-mail.We will respond to your request once it has been reviewed and any required investigation completed.If you are contacting us reg It has been raining these days. It has been e()hot this week. it has long been known that it has since been rebuilt怎么翻译 造句it has been +时间段+since从句it has been +时间段+since从句 it has been used和it has been in use有什么区别吗