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【单选题】
I'm ______ my little dog. Have you seen him?
[ ]
A.
looking at
B.
looking for
C.
looking after
D.
looking forward to
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【单选题】Trees __________every year to make our city greener.
A.
plant
B.
are planted
C.
were planted
D.
will be planted
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【单选题】---________ are you going? --- I'm going to the reading room. I'd like to read the book' The Three Kingdoms'. [ ]
A.
When
B.
How
C.
Where
D.
Why
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【单选题】These pens are _____sale, and you'd better buy some. [ ]
A.
on
B.
in
C.
of
D.
to
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【单选题】The room is too small for us . [ ]
A.
to live in
B.
living
C.
live in
D.
to living in
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【单选题】How much did you _________ for the new shoes?[ ]
A.
pay
B.
spend
C.
cost
D.
take
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【单选题】Do you eat _____ at school? [ ]
A.
well
B.
good
C.
nice
D.
fun
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【单选题】Although they are twins, they have nothing ____ common.
A.
at
B.
with
C.
on
D.
in
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【单选题】The boys always have some fun _____computer games. [ ]
A.
to play
B.
playing
C.
plays
D.
for playing
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【单选题】Don't spend much time _____ and doing nothing. [ ]
A.
chatting
B.
to chat
C.
chating
D.
of chatting
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【简答题】若函数f(n)=k,其中n∈N,k是π=3.1415926535…的小数点后第n位数字,例如f(2)=4,则f{f…f[f(7)]}(共2007个f)=______.
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