work作为工作可数吗?

Now she won't have to go out to work any more.

现在她不必再出去工作了。

People tend to work hard at this stage of life.

人在这个人生阶段往往发奋努力。

They have been working on the perfection of the new model.

他们一直在努力完善新型号。

The work must be completed within a certain time limit.

这项工作必须在一定期限内完成。

I'd love to come, only I have to work.

我很想去，但是我要上班。