钉洞固位形直径一般为（）
A.0.5mm
B.1.0mm
C.1.5mm
D.1.8mm
E.2.0mm
参考答案：B
I want ____ the room. Could you please ____ me? [ ]
A. to clean, to help
B. cleaning, helping
C. to clean, help
D. clean, to help
咳声清脆见于
A．风寒咳嗽B．燥热咳嗽C．寒湿咳嗽D．阴虚咳嗽
