John is very ____________ — if he promises to do something he’ll do it.

The price of food is _________ this year than that of last year.

I’m sorry，the sales manager is not________.He is on the telephone at the moment.

There was an _________ look on his face when he knew the bad grade of his son.

Would it be ___________ for you to pick me up at four o'clock and take me to the airport?

Although we met with some difficulties in building the railway, we were still _____ about finishing it before the deadline.

The scientist corresponds with colleagues in order to learn about matters ______ to her own research.

He is very popular among his students as he always tries to make them        in his lectures.

Microblog（微博）        with so many people is sure to influence our society..

Apart from the opening and closing ceremonies and some key matches, ticket price will be____to ordinary people.

 --Are you satisfied with what she has done? --Not a little. It can’t be______.

The little girl was so _____ when she saw the dog that she dared not move at all. 

The most important thing is to keep _____ when you get into difficulties. 

The newcomer is really quite ______ to office work. Why not offer her some practical tips?

Go out for a walk around our flat after supper, or _________ still in the park.

One of the great things about science is that it has taught us to be __________ about surface appearances. The world seems flat, but it is, in fact, round.

Decision-makers will take a __________ approach to opening new stores as the global economy slows down.

 If Jack doesn’t come home as usual, his parents will feel ________ about him

What the little boy got from his father was __________magazine.

 The audience fixed their eyes on the magician, _______ about how he performed the magic trick.