题目内容:
John's success has nothing to do with good luck. It is years of hard work__________ hasmade him what he is today.
A.why B.when C.which D.that
参考答案:
答案解析:
John's success has nothing to do with good luck. It is years of hard work__________ hasmade him what he is today.
A.why B.when C.which D.that