______student has been give his or her own e-mail address.

题目

______student has been give his or her own e-mail address.
A.Each B.Both C.All D.Most
This could cause serious ______to the coutry's economy.
A.damage B.damages C.accident D.worry
请说明原因！

答案

A 第一题因为后面是单数形式,所以只有A选项

A damage是不可数的.CD选项的语义是很小的情况,金融危机是大环境所以用损坏.