----Will you take up teaching as a career after graduation?

---- Hard to say. I ________ go abroad for higher education instead, but it depends.

A．must

B．should

C．might

D．shall

木骨架罩面板顶棚施工主要手动工具：木刨、扫槽刨、线刨、（）、斧、（）、螺丝。