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