试题 试卷
题型：单选题 题类：常考题 难易度：普通
—No, it _______ be his. I saw an old man put it here just now.
— He________ be in the library. He said he would borrow books in the morning.
—No, you _______.
—It ____be Lisa, but I'm not sure.
—Well, you . You're not alone in this world.
试题篮
