Samples of blood from Cholera infected patients have been sent to the blood center _______．（　?。?/h1>

A．to be checked	B．to be examined
C．to test	D．being tested

【考點(diǎn)】不定式的被動式．

【答案】B

【解答】

【點(diǎn)評】

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發(fā)布：2024/4/20 14:35:0組卷：34引用：2難度：0.9

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A．to hire	B．to be hired
C．hired	D．hiring

Samples of blood from Cholera infected patients have been sent to the blood center _______．（ ?。?/h1>