问题
选择题
Mother keeps telling me not to waste money because money is difficult ________ nowadays.
A.earned
B.earning
C.to earn
D.to be earned
答案
答案:C
题目分析:句意:妈妈一直告诉我不要浪费钱,因为现在钱不好挣。这里使用了句型“Sth+be+adj+to do”,这个句型中不定式用主动表示被动,所以选C。