问题

John’s success has nothing to do with good luck. It is years of hard work __________ has made him what he is today.

A:that
B:what
C:which
D:when

正确答案是：

同类题型

She _______ have left school, for her bike is still there.

I prefer to stay at home and listen to music.

He failed to_________ himself to the new environment.[ ]

The government has decided to give preference to those environmently-friendly business and companies in all aspects in _______ of sustainable development.

The headmaster suggested the problems referred __________ discussed immediately.