铸造卡环的宽度与厚度的正确比例应该是（）
A.10：8
B.10：2
C.10：4
D.10：10
E.10：6
参考答案：A
be sent to work there? [ ]
A. Who do you suggest
B. Who do you suggest that should
C. Do you suggest who should
D. Do you suggest who should
她打错电话了。
