I won't see you off at the airport tomorrow, so I will wish you （）.

A．have a good journey now

B．a good journey now

C．would have a good journey now

D．to have a good journey now

顶面的镶粘。对尺寸较大的板材，除在侧边钻孔外，还要在板背适当的位置，用云石机先割出矩形凹槽，数量适当，矩形槽入板深度以距板面不少于______mm为准。

A．6

B．8

C．10

D．12