Is ----Mary told you todo when she left?A what that B this what C what D what which说理由
问题描述:
Is ----Mary told you todo when she left?A what that B this what C what D what which说理由
答
选B.明显句子需要一个主语,this 可作句子的主语.do需要宾语,而what可做do的宾语.因此B 合适.该句子的陈述句语序是This is what Mary told you todo when she left.