Can you tell me why________? 　　 ——Because I want to help the people there.

English is widely used for business ____ different countries. [ ]

Be careful. Is it low enough ______ you to be able to step over it? — Sure. Thank you. [ ]

His Walkman is different from, and it is more expensive.

Did you watch the snooker game yesterday? — Yes, I did. Xiao Guodong is really a dark horse. Nobody _______ him to go so far.