The modern history of Italy dates from 1860, ______ the country became united.
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A
when
B
if
C
since
D
until
推荐题目
The League secretary and monitor________asked to make a speech at the meeting last week.
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A
is
B
was
C
are
D
were
Three quarters of some children’s spare time wasted watching TV －that can explain why they are lazy.
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A
are
B
is
C
being
D
/
Large quantities of polluted water_____ into the sea so that lots of fish died.
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A
is flowing
B
was flowing
C
are flowing
D
were flowing