The train moved slowly from the station，but________speed as it reached the open country.

air quality in urban areas from one to five:excellent, fairly good, slightly polluted, poor, and dangerous

ousin is said a new computerprogram recently, but do you know when he will finish it

Only by doing what your soul is eager to do_______your life something full of beautiful memories

I think it quite _____ that you will finish the workon time if you work hard.