题目内容
He says all _______ tried their best and that all that can be done _______ been done.
A.has, has | B.have, have | C.have, has | D.has, have |
C
解析
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题目内容
He says all _______ tried their best and that all that can be done _______ been done.
A.has, has | B.have, have | C.have, has | D.has, have |
C
解析