Today ________ number of people learning English in China ________ increasing rapidly. 

 The dam will generate electricity _____ about 40 million tons of coal without causing so much air pollution.

The newly published book, which refers _______ basic English grammar, is _______only for beginners. 

He woke up and found himself ______ on the sofa, with a blanket over him. 

Don’t forget to bring a dictionary next class. ___. I didn’t catch what you said.

Carbon dioxide ___ from burning fuels is the most common of the so-called greenhouse gases.

. People always hate betting on football. __________ to our joy, our legal authority took action at length.

Since no other way to escape from the flood, ____ only safe thing is to take ____chance.

The environment is getting worse in the present days, so the government must take _______ to stop people _______ too many trees.

John and Mary’s room _______ on fire. Many _______ help them put out the fire.

— Why are you so popular with your students?— As a teacher, I seldom give my students so difficult a problem ____ they cannot work out.

—What does "___________" mean?—That means, the things that people do mean more than what they say.

We students should hunger_____ knowledge and_____ ourselves with knowledge for the competition nowadays is very fierce.

.It is no use ______ after you know your failure.

His suggestion is worth_____.

. To the surprise of many people, in ten years the city’s population ____ by 12%.

--What about the protection? ---Let’s keep the surface ____ dirty by putting a cover over it.

. The order _____the general gave was _____we must break through the enemy’s defence .

Mr White is ________ as one of the most excellent leaders in our company..

Our school has been set up in , believe it or not , ______ used to be a temple ten years ago.