Question

The boy_______ in the teachers' office was found_______ at the school gate y

The boy_______ in the teachers' office was found_______ at the school gateyesterday.
A. standing; smoking B.standing; to smoke
C. stood; smoking D.stood; to smoke
选哪个，为什么？

Answer 1

A吧。

全写应该是
the boy who is standing in the teacher's office was found smoking at the school gate yesterday.
find somebody doing something 发现某人在做什么事情。

Answer 2

选择A,the boy which is standing in the teachers' office was found somking at the school gate yesterday。be found doing sth 被发现正在做某事

Answer 3

选d吧，因为后面yesterday是过去式，排除a b，c的smoking不能用在find后 d是to smoke 是因为短语find to do