牛津深圳版七年级下册Unit6-Electricity单元练习含答案(共8页).docx

初中英语牛津深圳版七年级下册Unit6 Electricity单元练习 一、听力(听力)（共20小题；共20分）（略）二、单项选择（共12小题；共12分）21.You stop when the traffic light turns red.A. canB. had betterC. needD. must22.You cross the road when the traffic lights are red.A. canB. mustC. mustntD. neednt23.Many students come from poor families and they afford school lunches, s