I think you'd better _____ by the time they return.
  A) having gone
  B) have gone
  C) to have gone
  D) gone

  When fully _____ the men cut off all the lower branches.
  A) growing
  B) to grow
  C) had grown
  D) grown

  _____ four years in the country, he came back healthier than ever.
  A) Having spent
  B) Spending
  C) After spent
  D) After spend

  _____ his job, he is now unemployed.
  A) Having lost
  B) To lose
  C) To be lost
  D) Losing

  The last one who was caught was a bank robber.
  The last one _____ was a bank robber.
  A) to have been caught
  B) to catch
  C) to be caught
  D) to be catching

  It is clear that progress destroys beauty. That's why most people
  object to it _____ our surrounding this way.
  A) change
  B) be changed
  C) changed
  D) changing

  Anyone _____ in taking the course can enroll next week.
  A) wants
  B) is interested
  C) interested
  D) wanting

  There wasn't any milk this morning. The milkman _____ to leave it.
  A) must forget
  B) must have forgotten
  C) can't forget
  D) can't have forgotten

  The sheep_____ to be brought down from the hills in bad weather,
  or some might die.
  A) has
  B) would
  C) must
  D) have

  I would have _____ pictures from my trip, if I had a camera.
   A) took
   B) take
   C) taken
   D) had took