铲运机带履带板的轮胎：在普通轮胎上装履带板。
参考答案：对
—You forgot your purse when you went out. —Good heavens, ________.
A．so did I
B．so I did
C．I did so
D．I so did
轻钢龙骨吊顶的面层，可以做三夹板、玻璃镜面的平顶面层。( )
