____he is only 8 years old, he knows more about science than his father.
– The exam was very easy, wasn’t it?-- Yes, but I don’t think _____ could pass it.
– I’m sorry. I took your pen ___ mistake.-- It doesn’t matter.
—Can you tell me ________?-- Last year.
Don’t be afraid of making mistakes. The man _________has never made a mistake will never make anything else.
–Look at the sign, sir. Would you mind ________ your cigarette?--Sorry, I will do it right away.