she sent her son to _____classes when he was very young 1.kind 2.a kind 3.a kind of
问题描述：
she sent her son to _____classes when he was very young 1.kind 2.a kind 3.a kind of
4.all kinds of
答
已收到你的求助,为你解答如下：
此题答案选【4】all kinds of,意为（各种各样的）
整句话的意思是【当她的儿子还很小的时候,她就送她的儿子去参加各种各样的课程学习.】