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【单选题】
If you often feel tired and can't focus your attention, that is________you have to stop working too
hard and to have a rest.
[ ]
A.
why
B.
whether
C.
when
D.
what
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参考解析：
刷刷题刷刷变学霸
举一反三
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A.
it
B.
that
C.
them
D.
this
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A.
hold down
B.
hold up
C.
hold back
D.
hold out
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A.
whose
B.
which
C.
its
D.
and which
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A.
have considered
B.
am considering
C.
had considered
D.
was considering
【单选题】Quickly ______himself, he ran out to the street.
A.
dressing
B.
dressed
C.
having dressed
D.
having been dressed
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A.
that, the place
B.
it, the place
C.
which, where
D.
what, where
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A.
a policeman was asked to help
B.
the area was searched thoroughly
C.
it was looked for everywhere
D.
she hurried to a policeman for help
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A.
killed
B.
have killed
C.
were killed
D.
were killing
【单选题】The English language ____ the grammar and vocabulary that people from many different countries and cultures brought to Britain.
A.
is made of
B.
is consisted of
C.
is made up of
D.
makes up