问题

Knowledge and learning are important if we want to be successful, but they may also ________our thinking.

A:direct
B:limit
C:change
D:improve

正确答案是：

同类题型

They have________ most carefully the time and money needed to complete the project.

Paper is made ____________ wood. So saving paper is saving forests.

After ten days’ hard work, they still need ____________days to finish it.

busy homework ,the children also have to take arts, music and sports classes in their free time.— I wonder what they will become

10．The housewe used to livehas been rebuilt．