单项选择题

My mother ______ off the bike and broke her leg on the ground.

A．falls
B．was falling
C．fell
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单项选择题
I ve read ______ of the book but I don t find it interesting.
A．few
B．much
C．many
单项选择题
Open the door, please! It s ______.
A．.I
B．my
C．me
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