I was burned yesterday,because I forgot my mother__________(heat) the soup scoop.

I was burned yesterday,because I forgot my mother__________(heat) the soup scoop.

题目
I was burned yesterday,because I forgot my mother__________(heat) the soup scoop.
答案
has heated.I was burned yesterday,because I forgot my mother has heated the soup scoop.因为前面已经用了burned的过去式,后面只能跟过去式.
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