--You’ve been driving for hours．Shall I ________？

--No, that’s OK．I enjoy driving and I know you hate it, especially on the highway．

A．take back

B．take on

C．take over

D．take up

使用“矩形工具”或“椭圆工具”时，按（）键可是绘制正方形或正圆形。

A.Enter

B.Shift

C.Ctrl

D.ALT