--How old is your sister? --___________. A. I’m seven. B. She’s seven. C. He’s six.
Let ________ play pingpong. A．we B．my C．us
The Chinese dictionary is ________． A．he B．his C．him
Look ________ the whale over there! A．at B．in C．for
He is ________ a red jacket. A．on B．/ C．in
Jack's jeans ________ old. A．is B．are C．am
--How old is your sister? --___________.--How old is your sister? --___________.
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