____in the sports world, a sportsman needs to train constantly to keep himself in best condition.
Much time _____ sitting at a desk, office workers are generally troubled by health problems.
-Jim, can you work this Sunday? -? I've been working for two weeks on end.
Schools should be lively places where individuals are encouraged to _____ to their greatest potential.
The number of smokers,() is reported, has dropped by 17 percent in just one year.
—Go and say sorry to your Mom, Dave. —I’d like to, but I’m afraid she won’t be happy with my ______ .