问题

The traditional view is ______ we sleepbecause our brain is “programmed” to make us do so

A:paid
B:cost
C:bought
D:spent

正确答案是：

同类题型

241. I am leaving in an hour but I haven’t _____ my clothes into my trunk.

We don’t think the experiment is ___ failure. At leastwe have gained ___ experience for future success.

Please ____________the light when you leave the room.

Jim and Tim are good ____________.

My mother is ill. —-_______ .