【答案】-Where was he a moment ago?

-Where was he a moment ago?

-He _____at home.

A. stay B. stayed C. to stay D. stays

【答案】

B

【解析】

句意：-他刚才在哪里？-他呆在家里。A. stay动词，停留；B. stayed过去式，停留；C. to stay动词不定式，停留；D. stays动词三单，停留。根据上文a moment ago可知，语境为一般过去时态，所以谓语动词使用过去式。故选：B。