问题
选择题
Amy and Maria are in the same______,but in different______. [ ]
A. grade; class
B. grade; classes
C. grades; class
D. grades; classes
答案
答案：B
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Amy and Maria are in the same______,but in different______. [ ]
A. grade; class
B. grade; classes
C. grades; class
D. grades; classes
答案：B