The state of Michigan now requires sports fans to make an annual______of $125 to $500 A.attributionB.distributionC.contributionD.tributary请帮忙给出正确答案和分析,谢谢!
Which of the following sentences expresses certainty?A.Bad seeds must bring bad crops B.There must be a mistake C.You must be there by ten D.You must be joking 请帮忙给出正确答案和分析,谢谢!