my friend -------to visit me last saturday
问题描述:
my friend -------to visit me last saturday
A comes
B came
C will come
D has come
D为什么不对
答
B came
因为后面有【过去时间状语】last saturday,所以是B came
这里就表示【他上个星期来看我】,不需要【完成时】,没有造成对现在的影响;