I thought you were the （ ）exchange student. 

Whilst this might sound like a truism, it is nevertheless a（ ）problem to address. 

I tried to stand up, but I was completely （ ）. 

This was the human stuff of America. It wasn‘ t the stuff one would have chosen to make a nation or an（ ）national character.

​With a river on one side and a steep drop on the other, it is（ ）to widen the road.

Even if you（ ）oil and water , they will not（ ）.

Everybody should have a sincere（ ）for the laws of his country. 

In a lot of cultures, red roses are used to（ ）love. 

Some people watch television so much that they cannot（ ）of living without it. 

The police（ ）for the crowd to move on to the next street. 

The whole nation watched the two candidates（ ）the issue of raising taxes on TV. 

As it was an informal dinner, most people（ ）in their comfortable clothes. 

Though high-sounding, his speech（ ）everyone at the meeting as totally irrelevant to what was discussed. 

To make Beijing our worthy capital, we must get it（ ）of polluted air, among other things.

Deep at night, they could still hear gun-fire（ ）in the distance . 

What kids experience now is an （ ） rate of development. They are forced to be older than their years. 

Her（ ）research takes her point further. 

Finding a cure requires（ ）time and effort. 

The couple had a （ ）escape from the fire. 

The recession brought an（ ）halt to this happiness.