use, ______ door often stays open until late at night, works as a home for the guards, some of ______ are from the countryside.

David， you left your English book on the desk—It isn’t . I think it is .

The school ________ Mr. White teaches English is a famous one, _________ was set up 100 years ago.

Internet is very useful. It can__________our eyes to the outside.

What is your favorite _________, Tom—I like English best.