As there is less and less coal and oil, scientists are exploring new ways of making use of ____ energy, such as sunlight, wind and water for power and fuel.

During the construction of the Qinghai-Tibet Railway, 33 migration overpasses have been made_______for herds of Tibetan antelopes to go through their breeding grounds.

—What do you think of your trip to Yunnan? —I really enjoy it. I didn’t expect it was    wonderful.

It’s really cold here. I have never experienced such terrible weather in my    life.

-----The film is, I have to say, not a bit interesting．------Why? It’s ______________ than the films I have ever seen．

The news was so ________ that we all felt          .

—Why did John ask me about the problem?—________，he tried to find a better way to settle it.

---I heard that he grew worse after taking the medicine．---Yes．He was ___________to it．                          

Although I can walk about, there is still a _____ pain in my leg.

Don’t believe in those ads that you can master a language in one month. Instead, it is a(n) _______process, which may last for years. 

There was a________look on his face when he met with the________problem.

You’d better go there by train.The train ticket is________the airplane ticket.

—What a pity ! I’ve not got a ticket for the football match .—Don’t worry , It’ll be broadcast        .

The workers insist that the company should take _____ measures to improve their working condition.

Theory is ______ in that it can provide a direction for practice.

Harry Potter stories are____both the teenagers and adults. 

Ten _______ teachers in our school will be selected to teach Chinese in London .

Allen had to call a taxi because the box was _______ to carry all the way home.

The article gave a ____ description of South America. 

------I’d like to book a round- trip ticket.------Sorry, sir, but there are no tickets______ at the moment.