Where is your backpack.---Oh,I it on my desk.A.left B.forgot C.leave D.forget

问题描述:

Where is your backpack.---Oh,I it on my desk.A.left B.forgot C.leave D.forget

选择A,
因为题目是指我把它放在桌子上了,是指的过去的事,所以用过去时态,因此排除c,d.
forge这个词一般是指忘记什么事了,而left 可以表示遗落的意思,所以选A