—What about going dancing this evening, Tom?

—_____. I have a test tomorrow, so I have to go over my lessons tonight.

A I’d rather not   B. I’ll take it      

C. I don’t think so    D. I’d like to

It is usually warm in my hometown in March, but it _____ be rather cold sometime.

The computer system _____suddenly while he was surfing the Internet.

In many people’s opinion, that company, though relatively small, is pleasant ______.

With the fast development of computer and Internet technologies, traditional printed books ______ by the growing popularity of online reading of e-books.

It’s wise to forget things which aren't worth ______.

World Wildlife Fund ______ very much the efforts that China has made to protect endangered species from being further endangered.

Little Tom admitted ______ in the examination, ______ that he wouldn’t do that in the future.

So far this year we ______ a fall in house prices by between 5 and 10 percent.

_______________made our school proud in 2011 was ____________ more than 40% of the  students had been admitted to key universities.