The quality of the material wasn't _____ .
   A) too good
   B) so good enough
   C) good enough
   D) enough good

  My parents were watching television downstairs _____ I was studying in my bedroom.
   A) as
   B) because
   C) when
   D) whether

  _____ you gradually get better at the job, you'll find that it becomes easier.
   A) When
   B) Since
   C) Because
   D) As

  Having made sure _____, Mary left her home to go on a shopping trip.
   A) was the front door locked
   B) the front door locked
   C) whether was locked the front door
   D) that the front door was locked

  A: Where _____ yesterday?
  B: At the hair dresser's.
  A) did you have your hair cut
  B) have you cut your hair
  C) did you get your hair to cut
  D) did you have your hair cuts

  Is it really essential _____ the passports?
   A) taking
   B) to take
   C) take
   D) that take

  He failed to get a good mark on the test week. He _____ harder.
  A) should have worked
  B) shouldn't have worked
  C) must have worked
  D) might have worked

  The girl didn't have dinner _____ she was very hungry.
   A) when
   B) though
   C) because
   D) as

  I don't have enough money. This car is _____ for me to buy.
  A) cheap enough
  B) expensive enough
  C) too expensive
  D) too cheap

  I am sure that I didn't forget _____ the door.
   A) locked
   B) have locked
   C) lock
   D) to lock