European scientists announced that the speed of light isn’t the speed limit. —Perhaps it is the biggest challenge to Einstein’s Theory of Relativity. No one _____ any crack in histheory for more than a century. [ ]

The boy has ______of books in his house.

Do you really want to borrow the old roomwhich is empty _____a broken desk and a chair

o TV shows, _____everything is quick and entertaining, many people do not have the patience toread a book that requires thinking

My job was to wash bottles, which would then be filled with wine, or ______the filled bottles in boxes. [ ]