Too / Enough. One / Ones

It is ______ difficult to do it for a little child.

My mum can't sleep because she drinks ____ much coffee.

She isn't old _____ to start driving.

He isn’t strong _____ to lift that box.

We are not rich ______ to buy a car.

This is _____ good to be true.

This bag is very old. I need a new _____.

She needs new shoes, the old ______ are too small.

New cars need less petrol than old ______.

Can you hand me my jacket, please? – Of course. Which  _____ is it?

Small oranges are sweeter than big______.

 The new laptops are much faster than the old _______.