问题
选择题
My cousin is in _____.[ ]
A. class 4, grade 7
B. Class 4, Grade 7
C. grade7, class 4
D. Grade 7, Class 4
答案
答案：B
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My cousin is in _____.[ ]
A. class 4, grade 7
B. Class 4, Grade 7
C. grade7, class 4
D. Grade 7, Class 4
答案：B