问题
选择题
In that school，English is compulsory for all students，but French and Russian are ________．[ ]
A．special
B．regional
C．optional
D．original
答案
答案：C
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In that school，English is compulsory for all students，but French and Russian are ________．[ ]
A．special
B．regional
C．optional
D．original
答案：C