单项选择题

kook! Some pieces of paper are on the floor. Let's ______

A．pick it up
B．pick up it
C．pick them up
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单项选择题
--What will you do tomorrow --I'll go ______ tomorrow.
A．fishing
B．fish
C．to fish
单项选择题
The moon is ______ kilometres away.
A．three hundreds and eighty thousands
B．three hundreds and eighty thousand
C．three hundred and eighty thousand
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