题目内容

We all know that doing morning exercises ______.
A.is good for our healthyB.are good for our healthy
C.are good for our healthD.is good for our health
D
for后面健康应为名词,抽象事物一般用单数形式,所以选D。
练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网