The children were warned of not being too_________about things they are not supposed to  know.

Changbai Mountain is one of China’s largest nature reserves, and has many ____ plants      and animals.

It is said that the people of Shandong Province are the most __________in helping others.

Having compared with the other design, I found this one was ______  that one.

All of the students were ______ by the ______speech given by the     headmaster.

—Our family will go to Australia for a holiday.  —Oh, really? That sounds __________!

According to the report, this gentleman is ________ to be the next prime minister of the country．

—Can you lend me the book Gone with the Wind? —Sorry. I returned it to the library just now. Maybe it is still ______.

Our new house is very _________ for me as I can get to the office in five minutes.

In fact, most people in some developed countries are ___ than they were two years ago because of the global financial crisis. 

Mr. Brent is a man with _______ personality—he never seems tired with so much work to do every day. 

From the boy’s _____look, we can see the _____noise ______ him.

 Dave is always            , never making a decision about anything in a hurry.

We can’t get the machine to run. There must be ______ with it.

―Are you satisfied with what she has done?    ―Not a little. It can’t be ________.

Studies show that Americans chat on their phones for more than five hours a month, _____ Europeans.

After the new machine was introduced, the factory produced _____ in 2011 as the year before.

Can't we just live today, ____ the worries of tomorrow or the regrets of the rest?

If he shouldn’t have been so ____ about his food, he would be healthier now.

Of the two, I prefer to choose _______ camera, which is lighter and easier to carry.