单项选择题

There used to be a cherry tree in this field, ______

A．usedn't it
B．usen't it
C．didn't it there
D．usedn't there
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单项选择题
A．so early asB．earlier thanC．early whenD．as early as
A．so early as
B．earlier than
C．early when
D．as early as
单项选择题
A．dwellingB．inhabitedC．livedD．existing
A．dwelling
B．inhabited
C．lived
D．existing
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