Grammar errors

I did exactly what you suggested, took your opinion and applied for promotion.

He always manages to arrive lately at work although he has recently bought three alarm clocks.

I can't tell you the exactly number but I think it's probably fourteen.

When you reach the old age you realize all those things you should have done when you were young.

They have showed to the rest of the world that they are probably the best players.

If you really want to be helpful, then you had to tell me the truth.

My instructor has been learning me English for over 6 years now and I must admit I haven't yet mastered the basics.

The boss of the factory liked her and offered her the job straightforward.

Could you run out to the baker and buy me some cakes, buns and two breads, please.

It's no good sitting around and daydreaming simply wishing things that you'll never have a chance of getting.