It’ s suggested by experts that teenagers ____at least 30 minutes exercising, five times a week.

Mary is similar ____ her father. They both have bigeyes.

She has many hobbies, ______ drawing, swimming, reading and dancing.[ ]

Some people believe _______ has happened before or is happening now will repeat itself in the future.

The man entered the room and looked everywhere ________ in search of something.[ ]