语法与词汇

I ________ that he was a little crippled in the leg so I slowed down my pace.

【正确答案】 A

【答案解析】

句意：我察觉到他的腿有点瘸，所以我放慢了脚步。 perceive感觉，察觉到。 deceive欺骗。 conceive怀孕；构思；认为。 receive收到；接待。