违约行为的特点包括(  )。

违约行为的特点包括(  )。A.违约行为的行为人是合同当事人,这是合同的相对性规则决定的 B.违约行为违反了合同义务 C.与合同义务对应的是合同债权,对合同义务

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The doctor insisted that Paul' s mother ______________exami

The doctor insisted that Paul' s mother ______________examined thoroughly.A.wou

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The work they are doing is______________ great value.

The work they are doing is______________ great value.A.in B.of C.by D.from

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