These papers___yet.A.have not written B.have not been writtenC.has not written D.has not been written选哪个?为什么?怎么还papers了呢

These papers___yet.A.have not written B.have not been writtenC.has not written D.has not been written选哪个?为什么?怎么还papers了呢 these these Draw a picture using these colours I have a good (t ) these days Are these ( ) books?A:they B :them I have a good t_________ these days、 THese potaoes are three yuan a kilo Because these is a love ---in our Tom______(write) a book these days. their life_______(change)a lot these years. Peter -------(look) for a job these days. A well-disciplined syudent will do these these is a C_______ in NewYork these are a apple 是不是一个句子 these economies have been on a tear 单项选择 1 ( )are his ( ) A These ,brother B This,brother C these,broteys D These,brothers 12.I'll take____shirts,not _____.A.these;those B.these;they C.those;ones D.those of ;these