How come Susan hasn't arrived here yet?

问题描述:

How come Susan hasn't arrived here yet?
She had.Her key at home and went back for it just now
A.Missed.B.lost.C.forgotten.D.left
为什么选d,不能是c

forget to do 一般指忘记做某事,或者forget about sth.此外从句意讲forget means fail to remember or recall sth.不是忘记了钥匙长什么样,而是忘记了把钥匙放在家里,更强调落下这个动作,所以最好选D