John was so sleepy that he could hardly keep his eyes ______.A．openB．to be opene_刷题宝

题干

John was so sleepy that he could hardly keep his eyes ______.

A．open

B．to be opened

C．to open

D．opening

上一题下一题 0.64难度单项选择更新时间:2014-04-08 08:34:46

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