Do you know the man who is speaking in front of the crowds—The man is a successful businessman. So I ______ him for his success in business.

What do you mean ________ saying “The boy is overgrowing”?— I mean that he is tall ________ his age

I want to know ________ next week，Mum.—If I know about it, I will tell you at once.

John and I _____ friends for eightyears. We first got to know each other at a Christmas party. But we _____ eachother a couple of times before that.

I should say sorry to you but I ____trouble