because
                    - The boy is very fat ______ eating ______ food. [ ]
 - We call it dinner because we have ________ to eat.
 - We’re busy because we have sohousework to do today.
 - I can’t buy this bike, because it is_____ expensive.
 - Because there weren’t many books, people learned to read.
 - I won’t buy it because it’s too ______.
 - He was unlucky because he failed the exam.
 - He is worried because he has no money to ____ the school year.
 - This bookJenny’s. Because her name is on the cover of the book.
 - You can trust them because they never_______ lies.