Most Chinese like tea, but some prefer coffee _____tea.

It was suggested that （ ） big event like the Year of Russia in China should certainly benefit （ ） relationship between the two countries.

She insisted that the seats in the theater （ ） in advance to insure a better view．

He made another wonderful discovery, （ ） of great importance to science.

The film （ ） him of what he had seen in China.

I won’t call you, （ ） something unexpected happens.

（ ） five hundred people are believed to have drowned.

Three of us will go there, and the rest （ ） to stay here.

（ ） comes back first is supposed to win the prize.

As population increases, （ ）.

He studies so hard to avoid （ ） at the bottom of the class.

—Professor Wang, must I hand in the paper this week? —No,（ ） . You can hand it in next week.