问题
选择题
— What color _________ Mary's shoes?
— _________ black.[ ]
A. are; They're
B. is; They're
C. is; It is
D. do; They're
答案
答案：A
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— What color _________ Mary's shoes?
— _________ black.[ ]
A. are; They're
B. is; They're
C. is; It is
D. do; They're
答案：A