选词完成句子,将字母代号填写在横线上 A. this B. Are C. blackboard D. How E. door 1.—Close the__________, please. —Yes, Miss Fang. 2.—Is __________ your desk? — No, it isn't. 3.—__________ much is it? — Four yuan, please. 4.—__________ these your pencils? — Yes, they are. 5.Look at the __________, please.