－How long doesit take us to go to your school from here－It takes us houror more to go to my school by bus.

The experiment shows that proper amounts of exercise, if _____ regularly, can improve our health.

Rather than _______on a crowded bus, he always prefers _______a bicycle.

Linda hasn’t shown up yet.—It’s strange. She _________.[ ]

I’ve never found a better job and I’m soglad—_______