问题
选择题
— Are these your friends?
— _____.[ ]
A. Yes, they are.
B. They are.
C. Yes , they're
D. Yes, these are
答案
答案：A
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— Are these your friends?
— _____.[ ]
A. Yes, they are.
B. They are.
C. Yes , they're
D. Yes, these are
答案：A