Which of those electronic dictionaries doyou like most—.Theyare expensive and of little use.

How much more expensive do you think a flat in a downtown area is than ______ in a suburban area

Word has come ____ some excellent students will go on a study trip to Chicago next month.

Eating too much fat can______heart disease and cause high blood pressure.Which is wrong?

To keep healthy, Mr. Smith_______ cyclingas a regular form of exercise after he retired.