No wonder you always look pale. You _____ get more fresh air.
  A) will need
  B) ought to
  C) had to
  D) must have

  _____ he as mean as people say?
   A) Is
   B) Does
   C) Has

  You _____ sit so close to the TV. It's bad for your eyes.
  A) don't have to
  B) have to
  C) shouldn't
  D) can

  You _____ do this for it's necessary.
  A) may
  B) can
  C) have to
  D) has
  E) could

  "I just heard that there's an accident on the freeway. Traffic is a mess."
  "We _____ leave earlier than we planned."
  A) maybe
  B) had better
  C) prefer to

  _____ they ever been here before?
   A) Do
   B) Have
   C) Are

  No, I _____ like to go then.
  A) can't
  B) can
  C) wouldn't
  D) not

  You should _____ smoking.
   A) to stop
   B) stop
   C) not

  He _____ take his medicine three times a day. The doctor told him
  to.
  A) has to
  B) need
  C) had better
  D) have to

  I _____ play chess _____ I was five.
  A) can / when
  B) could / when
  C) could / what
  D) can / where