装下半盒过程中最常见的问题是
A．基托暴露不够
B．模型包埋不牢
C．充填不足
D．基牙折断
E．出现倒凹，石膏折断
参考答案：E
Sara told us eating too much pizza _____ her sick. [ ]
A. let
B. make
C. made
有效值
