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试题详情及答案解析
Tom, together with his parents         the yard when I saw him.
A.is cleaningB.was cleaning
C.are cleaningD.were cleaning
答案:B
试题分析:句意:当我看到汤姆时他和他的父母正在扫院子。主语是Tom.with his parents是 介词短语,不能做主语,根据主语是单数,故选B。
考点:考查主谓一致的用法。