1.----Ia boy. you a boy?----No, I not.
A. am;is; are
B. is; si; are
C. are; is; is
D. am; are; am
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This bike is mine. It isn't ____.
A. her
B. she
C. hers
D. she's
There _________ a concert on Qixing Square next Monday evening.
A. is
B. is going to
C. is going to be
D. will
—____ do you wear?—Size XL.
A. What color
B. How size
C. How much
D. What size
The girlJack's sister.
A. is
B. am
C. are
D. was