She is a diligent student, and all her spare time she has _____ staying in the library.
Suddenly I realized that I had stayed here long and ________ to say goodbye to the host.
How can Margot ________ from her illness in this room when it is so dirty and dusty?It will only make her worse.
His injuries are extremely serious,but he's expected to ________.
It is our responsibility to ________ that the country's health care publications are beneficial to the people.
Many great artists were not famous in their own time,and people only started to ________ them many years later.