No one should blind himself （ ） the well-known fact.

Our visitors decided to stay in our city for _____ two days as they wanted to have a look around.

（ ） we have all the materials ready, we should begin the new task at once.

The first textbook（ ） for teaching English as a foreign language came out in the 16th century.

It is her beautiful eyes （ ） attract most of the fans.

Take your time and think the matter over before you _____ a conclusion.

When I got my first job, I _____ early. But nowadays I usually stay in bed until late morning.

The authorities wouldn’t （ ） us permission to fly all the way down to San Francisco.

She passed me in the street, but took no （ ） of me.

It is important that the boy （ ） an adult to take care of him.

There was a heavy fog this morning, so none of the planes could _____.

To learn Chinese cooking, you should practice _____.