牙体缺损修复时如修复体龈缘过长会造成（）
A．过敏性痛
B．自发性痛
C．咬合痛
D．龈炎
E．修复体松动
参考答案：D
-I'm taking a walk after supper.
-__________.[ ]
A. That's all right
B. That sounds great
C. I'm sorry to hear that
D. Thank you
