I hate people laugh at others when they are in trouble.
--- I want to know if I _________ smoke here. --- No, you ___________. Can’t you see the sign “NO SMOKING” there?
--- Hi, Ann. How can you improve your English so much? --- Oh, nothing difficult. The _____ you work at it, the _____ progress you will make.
--- Did Jack come back early last night? --- Yes. It was not yet eight o’clock ______ he arrived home.
---Why are you so happy? --- ______ the teacher’s help, I found the answer ______ the question.
--- What he enjoys _________ great and interesting. --- Yes, but it’s dangerous.