It’s no easy task to catch a ticket on a website that receives I bill
安徽省蚌埠市2013届高三第一次教学质量检查考试 英语试题答案
—It’s no easy task to catch a ticket on a website that receives I billion clicks daily.
—I can’t agree with you more.There_________be errors for every single step.
A.should B.must
C.can D.will