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

正确答案是：

同类题型

Is thisruler?—No.is over there.

下列各组词语中，注音和字形全都正确的一组是（）

_____to reach them on the phone,we sent an e-mail instead.[ ]

Dating violence is _____ one person purposely hurts or scares someone they are dating.

Fog ________ the train timetable.[ ]