(1/2)When I entered the classroom,the teacher announced we were going to

(1/2)When I entered the classroom,the teacher announced we were going to
(1/2)When I entered the classroom,the teacher announced we were going to

(1/2)When I entered the classroom,the teacher announced we were going to
应该选A. important做something的后置定语,所以应该放在something的后面. A I have got 后是不是该加一个名词,那是怎么样的事情呢,重要的事情,