now it is difficult __________ himto talk like the lecturer, but I think he should grasp every chance

____ from space, the earth, with water ____ seventy percent of its percentage, looks a “blue ball”. [ ]

You can’t get in. The exam _________ for over30 minutes.

____his teacher’ s advice, AsafaPowell would not be the fastest man in the world

eringhis health, I advise him to an hour ortwo each day to work out