After we went into Mr.Lee office he asked us [ ]

问题描述:

After we went into Mr.Lee office he asked us [ ]
A,to seat B ,seat C,to be seated D,seating
【写原因】

he asked us to sit .sit是不及物动词.he asked us to be seated.seat是及物动词,"使..就座",后面必须加宾语,seat us,“使我们坐下”.改为被动语态“we were seated”.现在“us”既做“asked”的宾语,同时又提前成为...