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.