问题

John’s success has nothing to do with good luck. It isyears of hard work has made him what he istoday.
A:why
B:when
C:which
D:that
B:when
C:which
D:that
正确答案是:
同类题型
I asked her whether she had done all the work herself ________ whether she had had asked sbfor help
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I eat___ vegetables and ____ _meatthan I did last year.—That’s why you’regetting fatter.
Please sit down and have a break. You have beenworking for three hours.—No, thank you. _____.