_____ birds can fly very high in ____ sky.
A. The, the
B. The, a
C. An, the
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--Who are those boys?--One is my brother and ______.
A. the big boy is Mike
B. abig boy is Mike
C. thebig boy is a Mike
My uncle told me he was going to visit _______.
A. the United State
B. the United States
C. United State
I've thrown my old shoes away. I'll have to buy _____.
A. a new pair
B. a new one
C. some new
Hainan is _____ island, isn't it?
A. an
B. one
C. a
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