讲讲几道英语题2. All that can be done ____done. A. has B. have C. h

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讲讲几道英语题
2. All that can be done ____done.
A. has B. have C. has been D. have been
4. Mary's teacher and friend ____ a woman singer.
A. is B. are C. be D. has
6. John as well as his parents ____ fond of music.
A. are B. is C. has D. have
9. The headmaster as well as all the teachers ____ very kind to us.
A. is B. are C. look D. seem
10. Plastics ____ many other materials.
A. has taken place of B. has taken the place of
C. have taken place of D. have taken the place of
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all that can be done has been done 为什么要用has,不用have All that can be done __been done.请问该用has还是 have? all that can be done has been done Has all that can be done been done? all that can be done has been done. 主谓一致：（并说明原因）All that can be done___.A.has been done B.has do You can play when your work__ A.Will be done B.is done C.has All__can be done has been done.A.that B.who C.wh 一个题英语语法All that can be eaten_____eaten up.A.have beenB.has all that can be done been done. all that can be done has been done.中的that为 All that can be eaten _______ eaten up. A are being B has be