—Sorry for being late for the party.

—      earlier next time, will you?

A．Coming

B．To come

C．Having come

D．Come

（）可以检验焊接接头拉伸面上的塑性和显示缺陷。

A．小铁研试验

B． 超声波探伤

C．X射线探伤

D．弯曲试验