Lin Kai,hand in your homework,please.Oh,sorry.I ____ it at home this morning.A.has left B.left

问题描述:

Lin Kai,hand in your homework,please.Oh,sorry.I ____ it at home this morning.A.has left B.left
这个是选哪个?我们老师说两个都可以.但是答案上给的是B.

B是正确的
因为有this morning.不可以用现在完成时has left.