I can't see the ball.It's ( ) the door.

问题描述:

I can't see the ball.It's ( ) the door.

behind

I can't see the ball. It's ( behind ) the door。
球在门后面

in

behind
在……后面

on 先要确定说话人的地点,如果说话人在门外,由于光是沿直线传播的,所以门后的那一大快都看不见,所以球可以在门后也可以在离门N米远的地方.如果说话人在门内,(也就是门后),那更不能说他看不见了(除非他是瞎子),综上所...