Why are you so anxious? It isn’t your problem ______.

—Do you need any help,Lucy?
—Yes.The job is _______ I could do myself.

_____ I can see what you mean, even though I don’t share your point of view.

It took ______ building supplies to construct these energy-saving houses. It took brains, too.

My English teacher’s humor was ____ make every student burst into laughter.

A cough is usually nothing to worry about unless it lasts for ten days ___.

--- I can’t repair these until tomorrow, I’m afraid.
--- That’s OK, there’s ____________.

All the people in that town, students or town folks, _______ the books, records and magazines in our university’s library. They can even surf the internet there.

If you get a raise, you’ll _________ be expected to shoulder more responsibility and work longer hours.

The Great Wall is ____ tourist attraction that millions of people pour in every year.

A．so a well-known

B．a so well-known

C．such well-known

D．such a well-known