单项选择题

Mary said she would come ______ you went to pick her up at 7.

A．only if
B．if only
C．only
D．when
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单项选择题
In a moment the little bird, set free after being encaged for weeks, would rise swiftly ______.
A．out of view
B．out of seeing
C．out of hand
D．out of sight
单项选择题
The dog's ears ______ when it ran.
A．flopped
B．flipped
C．fluttered
D．flapped
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