问题

Jack is always complaining about not having any money—The problem is that he doesn’t work hard and never____

A:to havestudied
B:to study
C:to bestudying
D:to have been studying

正确答案是：

同类题型

Mr. Smith warned her daughter ______________ after drinking.

.I _______ him to stop smoking, but failed.

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feel all the training a waste of time, but I’m a hundred percent sure later you’ll be grateful you did it.

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