When I at the theater, I found that it had been
A. arrives, closed
B. arriving, closing
C. arrived, closing
D. arrived, closed
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The woman is to him, but she doesn't anything.
A. listening, hear
B. listen, hearing
C. listened, heard
D. listens, hears
He English since he seven years old.
A. has learned, was
B. is learning, is
C. learned, has been
D. learns, is
She had in the factory before she here.
A. work, come
B. working, coming
C. worked, came
D. works, comes
在国务院批准的高新技术产业开发区内设立的被认定为高新技术企业的，可享受的税率是( )
A. 25%
B. 20%
C. 15%
D. 10%
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