As we all know, eating too much fat can ______ heart disease and cause high blood pressure.
The Turners consider ____ a computer, which is commonly considered _________ a great help in our work and study.
To enjoy the scenery, Irene would rather spend long hours on the train ___travel by air.
The first satellite ____telephone signals was called Early Bird.
How is he now? Is he slowly ____?
I’ll be going to work on foot while my bicycle_____.