题目内容：

并说明理由
The girl's life ( ) after a successful concert in 2007.
A.changes B.changed
C.is changed D.was changed
Can you describe that accident?
Yes.A car ( ) very fast when it ( ) into the tree.
A.ran;crashed B.ran;was crashing
C.was running;crashed D.was running;was crashing

优质解答

第一题 :D 理由：in 2007是过去式,所以ac排除,b是主动语态!这里应该选被改变,选被动语态!
第二题：C 理由：作为一个描述过去的事情,所以用过去式,AB排除,第二个空was crashing是过去进行时,撞上树是一瞬间的事情,所以应该是C