Who is Lan talking to12/15Rewrite sentences without changing the meaning Who is Lan talking to?Who is Lan say to?To whom is Lan talking?Which person is Lan talking to?Whom people is Lan talking to?Giải thíchĐáp án: B Giải thích: Who…… to = To whom Dịch: Lan đang nói chuyện với ai thế?