I’m not good at English, Amy. What should I do–You practice it more. For example, you read English every morning.

下列各句中，加点的成语使用正确的一项是(　　)

The twins are sleeping. Don’t ______.

from the top of the tower ,the south foot of the mountain is a sea of trees

__________ is human nature that a great many people are often willing to sacrifice higher pay for the privilege of becoming white-collar workers.