sked to explain _____ he did to make hisstudents so fascinated with his lessons, the teacher paused and thought deeply.

Is Central Park_______ largest city park in the USA- Yes. It is_______ perfect place for people to rest after_______ hard day’s work.

Unless ______ , we’ll have to shut down some branch companies for lack of money.

We are _______ tired to go any ____________. Let’s stop to have a rest.

We shouldn’t read books the sun.