Africa's population is growing very fast. By 2100, it will be home to 4.4 billion people...four times its present population. The UN has warned: "The continent continues to __1__ under very rapid urban growth __2__ with extreme urban poverty and many other social __3__
  The continent began to take off in the second half of the twentieth century, with its population increasing very quickly. Eastern and Central Africa, including countries such as Kenya and the Congo, __4__ , Meanwhile, those in the south and north ... such as South Africa and Tunisia ... saw less growth. This trend __5__ to continue in this century but so far, population growth has not brought wealth with it.
  1.
  A) arise
  B) suffer
  C) follow
  D) operate
  2.
  A) to go
  B) it goes
  C) by going
  D) which goes
  3.
  A) problems
  B) events
  C) slums
  D) activities
  4.
  A) had the highest population growth
  B) with the highest population growth
  C) they had the highest population growth
  D) and the highest population growth to have
  5.
  A) expects
  B) expected
  C) is expected
  D) expecting

  The International Olympic Committee has a membership of 70 countries. It makes the __1__ that govern the Games. The Games are always __2__ to a city, never to a country. This is done to try to keep politics __3__ the Games. Each Olympic Games lasts about two weeks. Even participating country __4__ to four entries in the winter games and three n __5__ events. Competitors must be citizens of the country they represent, and each must sign a statement that he or she is an amateur. There is no age limit.
  
  1.
  A) rules
  B) choices
  C) degrees
  D) details
  2.
  A) instructed
  B) won
  C) awarded
  D) recorded
  3.
  A) far
  B) away
  C) back of
  D) out of
  4.
  A) limits
  B) has limited
  C) has been limited
  D) is limited
  5.
  A) natural
  B) individual
  C) regular
  D) actual