I often go school by bus, but I walk home after school.

periment shows that proper amounts ofexercise, if regularly, can improve our health

What a pity! He ______the only chance of success.

a reward of $1,000 will be given to can provide any clues to the case which has been investigated by the police for nearly half a year.

Bill was doing a lot of physicalexercise to build up his _______.