____ a long way to the town,so ____ a long way to go yet.
问题描述：
____ a long way to the town,so ____ a long way to go yet.
两个空格都是:
A.It's B.There's
并说明原因
答
__It's__ a long way to the town,so __there's__ a long way to go yet.
路多长,用it is.；有多少路,用there be