学帮网单选:is ___ easy to learn to swim?a.that b.it c.this
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/23 23:16:44
单选:is ___ easy to learn to swim?
a.that b.it c.this
B
变为陈述句是It is easy to learn to swim.
这里it做形式主语,真正的主语是to learn to swim
所以,这句话也可以说是To learn to swim is easy.