She ________ carefully, but she could ________ nothing.

A. listened to; listened to

B. heard; hear

C. heard; listened

D. listened; hear

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科目：初中英語 來源：101網(wǎng)校同步練習(xí)　初二英語　外研版課標(biāo)本 外研版課標(biāo)本 題型：013

Mary is ________．She writes most ________ in our class．

[　　]

A．careful, careful

B．carefully, careful

C．carefully, carefull

D．careful, carefully

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