--Could you tell me____the computer to surf the Internet?--Sure. It’s very easy. Look, like this.
If you ______ smoke, please go outside.
Jim was watching a late night film______ the television went blank.
- Your e-mail address again? I ______ quite catch it. - It's Lily@126.com.
Health experts believe that even a little exercise is better than______ at all.
- Where is my raincoat? -I don't have the slightest idea.______ the room?