1.There are frequently reports of accidents as fireworks ______,stored or transported.

问题描述:

1.There are frequently reports of accidents as fireworks ______,stored or transported.
A.have been made B.are being made
C.were made D.have made
2.
He was faced with the () of whether or not to return to his country after he got the doctor's degree in America.
A.situation B.dilemma
C.environment D.circumstance
写出原因,

1.B -应该用正在进行被动语态
2.B -dilemma就是在进退两难的情况下专用的“1.B -应该用正在进行被动语态”这是为什么呢首先句子的系动词是are是现在时,事故的发生又是在烟花的生产过程中或储存过程中或运输过程中发生的,所以用现在正在进行时的被动语态。