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【单选题】
Black clouds had completely ___ the sun.
A.
blocked off
B.
broken out
C.
blocked out
D.
broken off
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】______ you’ve got a chance, you might as well make full use of it.
A.
Now that
B.
After
C.
Though
D.
As if
【单选题】The open-air celebration has been put offthebadweather.[ ]
A.
in case of
B.
in spite of
C.
instead of
D.
because of
【单选题】--- Robert is indeed a wise man.---Oh, yes．How often I have regretted_______his advice!
A.
to take
B.
taking
C.
not to take
D.
not taking
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A.
that
B.
which
C.
if
D.
what
【单选题】– Could you tell me his phone number? -- _______ the phone book and find it out yourself.
A.
Look up
B.
Search for
C.
Refer to
D.
Going through
【单选题】Every possible means ____, but none ____ successful．
A.
has tried; has proved
B.
tried; proves
C.
has been tried; proves
D.
is being tried; is proved
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A.
which
B.
that
C.
what
D.
who
【单选题】My son is always full ofand hardly feels tired.
A.
force
B.
energy
C.
strength
D.
power