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These cleaners are().
A.worthy of respecting
B.worthy of being respected
C.worth being respected
A.worthy of respecting
B.worthy of being respected
C.worth being respected
Harry vacuum cleaners work entirely by______.
A.suffrage
B.suction
C.suede
D.subtlety
It is expected that there are 4 million robot vacuum cleaners and lawn mowers in ______ .
A.2002
B.2003
C.2004
D.2005
Cleaners and farmers do ______scientists do.
A. the same work as
B. less important work than
C. more work than
D. as important work as
A.alcohol
B.tobacco
C.drugs
D.land
A.equal
B.equally
C.equality
D.equaled
Postmen and cleaners don't work on Christmas.
A.Right.
B.Wrong.
C.Doesn't say.
A.land
B.tobacco
C.alcohol
D.drugs
A.cover B.covered C.covering D.covers
In the writer's view,______.
A.people should be prepared for the future
B.there exists no threat of unemployment
C.unions can stop the unfavorable change
D.people had better become cleaners
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