Yusef woudn't have failed, _____ he studied for a whole night and couldn't wake up early enough to be on time for his exam.
   A) for
   B) despite
   C) although
   D) but
   E) hence

  I'm going to a concert tomorrow evening. So _____ .
  A) I am
  B) am I
  C) I will
  D) will I

  I would like one pet. I'd like to have a dog _____ a cat.
  A) but
  B) and
  C) or

  _____ a market economy will become effective, potential benefits should be maximized and risks minimized.
   A) In the event that
   B) In view of
   C) In order that
   D) Otherwise
   E) But for

  I haven't really studied for this exam, _____ I feel a little nervous.
   A) so
   B) unless
   C) but

  Our children are happy _____ healthy.
  A) but
  B) and
  C) or

  I wish these exercises _____ so difficult.
   A) be
   B) are
   C) were not
   D) are not

  He hates liars, and so _____ .
  A) does he
  B) she does
  C) is she
  D) works she

  I wasn't at school when I heard the news.
  A) So did I.
  B) Yes, I was.
  C) Did you?
  D) Neither were they.
  E) No, she wasn't.

  You can have an apple _____ an orange. Choose one.
  A) but
  B) and
  C) or