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【单选题】
—I’m afraid that I can’t do it.
—Oh, you should believe in yourself．You won’t know what you can do______ you try it.
A.
if
B.
because
C.
until
D.
while
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】He studies hard and he is good at ______. [ ]
A.
writeing
B.
writes
C.
wrote
D.
writing
【单选题】I ______ in the hospital yesterday．I had to look after my sick mother.I ______ in the hospital yesterday. I had to look after my sick mother.
A.
am
B.
was
C.
are
D.
were
【单选题】Langlang, a well-known Chinese pianist, was born _____ 1982.[ ]
A.
at
B.
on
C.
in
D.
of
【单选题】The bottle________H orange. [ ]
A.
filled with
B.
be full of
C.
is filled with
D.
is filled of
【单选题】We _________ six days a week, but now we only work five days.
A.
used work
B.
are used to work
C.
used to working
D.
used to work
【单选题】—How do you know that she likes singing? —I often hear her ________ in the morning.[ ]
A.
to sing
B.
sang
C.
sing
【单选题】Does the wolf live ________ the forest or ________ the desert? [ ]
A.
in, in
B.
in, on
C.
on, in
D.
on, on