问题
选择题
—Have you said goodbye to your grandparents?
— Not yet. The line is . 
[ ]
A. ready
B. bad
C. crowded
D. fine
答案
答案：B
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—Have you said goodbye to your grandparents?
— Not yet. The line is . [ ]
A. ready
B. bad
C. crowded
D. fine
答案：B