Why can’t you do this small （ ） for me? I’ve helped you often enough in the past.

I must tell you how _____ a letter from you.

It is （ ） impossible to work with this noise around.

（ ） born in Chicago, the author is most famous for his stories about New York City.

My advice is that she （ ） to apologize to him.

At the 60th anniversary, the guests sitting in the front are those ______ graduates from the university.

Harmonious marriage, however, does not necessarily （ ） much sharing of interests and responsibilities.

The defense computers calculate way to （ ） the enemy missiles.

Can you_____the difference_____the two phrases?

He studies so hard to avoid （ ） at the bottom of the class.

Please （ ） the water tap when you have finished your washing．

（ ） is known to all, the earth moves around the sun once a year.