Children knock___ Uncle Wang’s door. He gives them some Wap版

试题详情及答案解析

Children knock___ Uncle Wang’s door. He gives them some candies __ a treat.

A．on; as	B．on; of
C．at; on	D．at; of

答案：A

试题分析：句意：孩子们巧了王叔叔家的门，他给我一些糖果作为招待。第一空是动词短语knock at/on敲门；as这里是介词，意为“作为”。 as a treat作为招待，故选A。
考点：考查介词辨析。