问题
选择题
They have had a long and bitter struggle _____their living conditions.
A.to improving
B.for improving
C.to improve
D.improve
答案
答案:C
不定式常修饰动词状语,表示行为的目的、结果、原因等。for+动名词一般不做目的状语,但for+名词化了的动名词可作原因状语
They have had a long and bitter struggle _____their living conditions.
A.to improving
B.for improving
C.to improve
D.improve
答案:C
不定式常修饰动词状语,表示行为的目的、结果、原因等。for+动名词一般不做目的状语,但for+名词化了的动名词可作原因状语