题目内容
Peter ________ a strange sound outside, he went out and looked around, but he ________ nothing．
A．listened to; saw
B．heard; saw
C．listened to; looked
D．heard; looked
The man ________, but he ________ nothing.
[ ]
A fool has gained nothing from the time ______, for he ______ nothing.
A. passing; has paid B. passed; has been paid
C. passing; has been paid D. passed; has paid
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