一个但选题,请出示祥解45.Because of the complexity of the modern machin

一个但选题,请出示祥解
45.Because of the complexity of the modern machine,most offices require secretaries ____.
A.to have specified training B.specified in traing?
C.to train specifiedly D.training specified?
hctjz007 1年前 已收到1个回答 举报

001188 幼苗

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equire后接虚拟语气,形式为should to do ,should可以省略

1年前

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