Lessons can be learned to face the future, ________ history cannot be changed

I’m in a bad mood. You know I failed in this exam.– . A bad grade doesn’t mean you’re not clever. Just study harder.

Thanks for giving me the .— My pleasure. I hope they are of some value.

I advise you leave the company as soon as possible you get yourself into trouble.[ ]

In a city with____industry, the price of land is very high.[ ]