The role that our army_____ in flood control is very important.

What she said to the police about her experience ______ quite true after they looked into the case.

As a senior high student, you should 　　your energy on how to master the skills of learning.

More consumers are waiting for the further drop of housing prices with money in their hands  _      buying houses, according to a report.

 China Daily is _______ a newspaper, it can also help us to improve our English.