Many websites have been _______ to help people study foreign languages.
________with a difficult situation, Arnold decided to ask his boss for advice.
That night Tom drove his car at ________we thought a dangerous speed.
The main problem with the road is ________the road conditions need________.
—Excuse me, but can you tell me whether Mr. Brown is still working here?—Sorry to tell you he________.
Every room in our school is ________with a colour TV set.