A)suffered
B)suffer
C)suffering
D)tosuffer
正确答案:C答案:C
[试题分析]词形的选择。
[详细解答]根据句意,因为suffer与前文逻辑主语一致,这里应接现在分词短语对前文进行修饰,故答案为C。

A)suffered
B)suffer
C)suffering
D)tosuffer
正确答案:C上一篇 A) formation B) explosion C) eruption D) propulsion
下一篇 The estimates in Economic Outlook show that in rich countries______.A) heavy industry