We recommend that a neutral chairman_____.A.be appointedB.were appointedC.were to be appoi

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We recommend that a neutral chairman_____.

A.be appointed

B.were appointed

C.were to be appointed

D.could be appointed

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗