--- we clean the classroom at once? ---No, you. You clean it after schoolA．M

题目简介

---________ we clean the classroom at once? ---No, you________. You ________clean it after schoolA．M

---________ we clean the classroom at once?
---No, you________. You ________clean it after school

A．Must, needn’t, can	B．Need, mustn’t ,may
C．Must, mustn’t, can	D．Shall, can’t , may

题型：单选题难度：中档来源：不详

考查情态动词。Must引导一般疑问句，肯定回答用must，其否定回答为needn’t，can在这里表示许可的意思，may表示可能性，句意：我必须马上清扫教室吗？不，你比比清扫，你可以放学之后清扫。故选A