If you don't know that _________ is the mother of success, your are sure to be ________ in life.
A．failure; failureB．a(chǎn) failure;a failure
C．a(chǎn) failure; failureD．failure; a failure
D
本題考查failure的用法。failure作“失敗”講是不可數(shù)名詞，作“失敗的人(或事)”講是可數(shù)名詞。
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