单项选择题


A．as
B．while
C．before
D．to
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单项选择题
A．started outB．set downC．put outD．took down
A．started out
B．set down
C．put out
D．took down
单项选择题
I told him to get here but perhaps I ______ him a map.
A．should have given
B．ought to give
C．had to give
D．must have given
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