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When I entered his office, he didn’t say a word, nor did he raise his head, as if I am in visible.
 
- A.Which
 - B.What
 - C.Which one
 - D.What one
 
- A.is
 - B.are
 - C.was
 - D.were
 
- A.which
 - B.who
 - C./
 - D.that
 
- A.was written
 - B.were written
 - C.has been written
 - D.had been written
 
- A.all their homes
 - B.all whose homes
 - C.all of whose homes
 - D.all of their homes
 
- A.for
 - B.of
 - C.at
 - D.by
 
- A.who
 - B.whom
 - C.where
 - D.which
 
- A.In the way
 - B.On the way
 - C.By the way
 - D.Through the way
 
- A.inferior than
 - B.more inferior than
 - C.inferior to
 - D.inferior as
 
- A.have
 - B.having
 - C.having had
 - D.have had
 
- A.have told
 - B.having told
 - C.tell
 - D.being told
 
- A.little
 - B.less
 - C.lesser
 - D.least
 
- A.to work
 - B.working
 - C.having worked
 - D.being worked
 
- A.could sleep
 - B.could have slept
 - C.slept
 - D.have slept
 
- A.can
 - B.could
 - C.should
 - D.may
 
- A.have been taken place
 - B.have taken place
 - C.took place
 - D.were taken place
 
- A.having appointed
 - B.having been appointed
 - C.appointed
 - D.being appointed
 
- A.are
 - B.have been
 - C.were
 - D.had been
 
- A.a low spirit
 - B.low spirits
 - C.low spirit
 - D.a low spirits
 
- A.was planting
 - B.had planted
 - C.have been planting
 - D.planted
 
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