固定义齿修复最合适的年龄是（）
A.15～25岁
B.20～30岁
C.25～35岁
D.30～45岁
E.45岁以上
参考答案：C
-—_____ your brother have a basketball?
—Yes, but an old one.
[ ]
A. Are
B. Is
C. Does
D. Do
食物纤维
