题目内容
【题目】The robber hit and _______ Mr. Zhang and took away his wallet.
A.knocked up
B.knocked out
C.knocked at
D.knocked on
【答案】B
【解析】结合选项可推知句意为“盗贼把张先生打昏了，把他的钱包拿走了”。knock out意为“打昏”，故选B。
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题目内容
【题目】The robber hit and _______ Mr. Zhang and took away his wallet.
A.knocked up
B.knocked out
C.knocked at
D.knocked on
【答案】B
【解析】结合选项可推知句意为“盗贼把张先生打昏了，把他的钱包拿走了”。knock out意为“打昏”，故选B。
