It is only when you get close to the National Entrance Exam _______fully realize how much time you have wasted.

This is _______ usual way of solving the problem. Can you think of ________ unusual way?

You can call me _____ 58848312 or e-mail me _____ lucy@sina.com.[ ]

Simon, don’t give up easily. It’s ______________ to lose the chance. –Thanks. Your suggestions are ___________.

China is a country with ________resources.— That’s true. But China is also a country with the largest number of people.