问题

What actually ______ the accident has not yet been determined.

A:brought out
B:brought on
C:brought about
D:brought up

正确答案是：

同类题型

Dave is ______ honest boy. We can believe him.

h I ______ at my sister’s wedding last Tuesday, but I was on a business trip in New York then.

_______ do you have in this season— You can have anything you want

We shouldn’t________he trees in order to protect the environment．

Millie’s father was sleeping hewas watching TV.