We stood there (to wait for)the bus.为什么不能用waiting for
问题描述：
We stood there (to wait for)the bus.为什么不能用waiting for
答
We stood there (to wait for)the bus.
这里to wait for表目的
We stood there ， waiting for the bus.
waiting for... 表伴随
答
都可以
用to wait for the bus 表目的
用 waiting for...表伴随行为
不懂追问*^__^*