Come and see me whenever________________.

This construction firm has a long history, complete facilities, fine technique and     service.

—I can’t help you with he problem, for I       with my homework.
—Thank you all the same.

What made the whole nation sad was that more than 100 miners were buried      in the underground coal mine.

I’m         in the afternoon. We can discuss our plan for our summer vacation then.

Yesterday I met a(n) _____ teacher by chance who taught me English in the university three years ago.

The _______ boy made the police and his family _______.

It is reported that the United States uses    energy as the whole of Europe.

It was several minutes before I was    what was happening.