题目内容
My mum did all she could ___money for my education at that hard time.
A.made | B.makes | C.to make | D.making |
C
考查动词不定式。句意为:在艰苦的岁月里,妈妈竭尽全力挣钱供我上学。句中是用动词不定式to make money做目的状语。结合题意,故选C。

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A.made | B.makes | C.to make | D.making |