试题详情

_____ with the picture, Mary hid it in the closet.

With all the careful examinations, they were convinced that the picture was _____.

In order to help the students get a better understanding of the new conception, the professor _____

He was offered $20,000 for the picture of his but he _____ it _____.

Complicated _____ it is, the problem can be solved in only two hours with an electronic computer.