试题与答案

The following answer is ( ) to official

题型:单项选择题

题目:

The following answer is ( ) to official confirmation.

A.to subject
B.subject
C.subjected
D.subjecting

答案:

参考答案:B

解析:[精解] 句意为:以下的答案必须再经过正式确认才有效。Be subject to固定用法。

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