--- Are you going to buy a camera ? --- Yes. But there’re so many kinds that I can’t decide ____ to buy.
---What do you like? ---I run every morning, and often play tennis at weekends.
--I guess you don’t mind if I point out your mistakes. --- _ _
–I’ve been coughing like this for several days. --I’m sorry _you’re not well.
--Are you sure Mr Bush is at home? --Let’s try ringing the _.
--Do you know Mr Black _ _ by the police? --Yes. He’s believed to have killed a woman~