单项选择题


A．Since
B．Although
C．When
D．If
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单项选择题
A．whichB．whenC．whereD．that
A．which
B．when
C．where
D．that
单项选择题
A．undoubtedlyB．pleasinglyC．intentionallyD．relatively
A．undoubtedly
B．pleasingly
C．intentionally
D．relatively
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