We waited _____ the plane took off.
  A) as soon as
  B) when
  C) as
  D) until

  I don't know if I _____ succeed in passing my exam or not.
  A) will
  B) could
  C) would
  D) will be

  I thought that he _____ something for me.
  A) was supposed to do
  B) is supposed to do
  C) was supposed
  D) is supposed to

  I wish our school _____ a bigger library than it has.
  A) had had
  B) would have
  C) had
  D) will have

  We can't do anything before _____ .
  A) the doctor comes
  B) the doctor didn't come
  C) the doctor will come
  D) the doctor doesn't come

  Don't you wish we _____ tonight?
  A) weren't going
  B) aren't going
  C) don't go
  D) hadn't gone

  A: I must go home now.
  B: I wish you _____ home now.
  A) don't have to go
  B) mustn't have gone
  C) didn't have to go
  D) needn't have gone

  She left the clothes out although _____ .
  A) the sun is shining
  B) it was raining
  C) it isn't hot
  D) the weather was good

  It _____ the Titanic sank while crossing the Atlantic.
  A) is 1912 when
  B) in 1912 that
  C) which was in 1912
  D) was in 1912 that

  The nurse doesn't understand why the girl_____ .
  A) is coughing
  B) was coughing
  C) would cough
  D) cough