--Excuse me, you are supposed to hand in your design now.

--I’m sorry, my computer broke down, or I ________ it last night.

A．finished

B．would finish

C．had finished

D．would have finished

在吹风中出现弹性不足、发丝不光泽时，应（），才能使头发有弹性和光泽。

A.用滚刷拉紧滚吹

B.用排骨刷有弧度吹

C.用侧风吹，不能吹的太干燥

D.将头发喷湿一点，再用刷子扣吹