问题
选择题
The word "parent" means one's _____. [ ]
A. father and mother
B. father or mother
C. grandma and grandpa
D. grandma or grandpa
答案
答案：B
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The word "parent" means one's _____. [ ]
A. father and mother
B. father or mother
C. grandma and grandpa
D. grandma or grandpa
答案：B