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一What’s that?                一         a key.
#62018
A
It
B
I
C
It’s
D
it’s
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---There is a book ________ on the ground.---Let’s ________ and ask who lost it.
#61968
A
lies, pick it our
B
lying, pick it up
C
to lie, pick up
D
lying,pick out it
—Is this your pencil?—No, ________. It’s his pencil.
#62693
A
it is not
B
it is
C
it isn’t
D
it’s
_______your brother work ?  --In a bank.
#62173
A
Where do
B
What do
C
Where does
D
What does
I don’t know       with this problem．It’s too hard．
#62044
A
which to do
B
when to do
C
what to deal
D
how to deal
This book is a bit difficult. _______ read another one?
#62129
A
Why not to
B
Why not
C
Why don’t
D
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