—Sorry,Mum, I lost my key to the bicycle again. —Oh! How_____ you be so careless! You have to learn to look after your belongings.
I wish you’d do ________ talking and some more work. Thus things will become better.
Green products are becoming more and more popular because they are environmentally _____.
Fitness is important in sport, but of at least_______ importance are skills.
Small cars are ___ of fuel, so they have more appeal for consumers.
Your story is perfect; I’ve never heard _______ before.