________ is looking forward to studying with an I-pad in the math class.
【2013山东菏泽】—Can we run across the road now? —No, we . We have to wait until the light turns green.
【2013福建福州】—Is that girl Susan? — It _________ be her. She left forBeijingyesterday. A.needn't B. can't C. mustn't
【2013四川内江】—_____Ifinishmy homework now?—No, you_____. Your work is over today.
【2013广东】—Someone is knocking at the door. Is it Ann?—It ______be her. She is giving a performance at the theater now.
【2013甘肃兰州】— Look at the boy playing basketball on the ground. Is it George?— It ______ behim. He told me he would play basketball after class, but he’s notsure.