单项选择题

It''s high time we _________something to stop road accidents.

A．did
B．are doing
C．will do
D．do
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单项选择题
Can you tell Mary __________her twin (双胞胎) sister
A．to
B．with
C．between
D．from
单项选择题
I wanted to thank them for all their_________.
A．kind
B．kindly
C．kindness
D．kindnesses
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