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1.There ___ nothing to do in the factory, workers went home.
A.to be
B.being
C.to have been
D.be
2.She handled the instrument with care for fear that it ___ damaged.
A.were
B.may be
C.should be
D.would be
3.Algonkian-speaking native Americans greeted the Pilgrims ___ settled on the eastern shores of what is now New Zealand.
A.to who
B.of which
C.who
D.which
4.___ the United States consists of many different immigrant groups, many sociologists believe there is a distinct national character.
A.In spite of
B.Despite
C.Even though
D.Whether
5.___ that the most powerful microscopes cannot detect them.
A.So small these particles are
B.So small are these particles
C.Such these particles are small
D.These particles are small so
