谁帮帮忙做几道单项填空英语的
this experiment turned out to be ( )failure,but,as we know,successcomes after ( )failure.A a,a B /,/ C a,/ D /,a
参考答案:C.
this experiment turned out to be (a)failure,but,as we know,successcomes after ( )failure.
这是一个失败的试验,但是我们知道失败是成功之母。