It’s unimaginable that such a top student as Jane 　　　　cheat in the exam.

No decision _aboutany future plan until we have done some research into the student preference．

_____ is known to us all, a skill can only be acquired through hard work.

Mary was being badly treated when John happened topass by and helped her out.—I think it was not a pure ________but had been wellplanned.

There is no doubt that Taiwan as well as the mainland one China