_____American people and British people speak the same language, their cultures are quite different.

He is always punctual and it is ________ for him to be late. [ ]

Microblog is a platform ________ people canexpress their thoughts and communicate with each other by sending posts

How about dinner tonight It’s on me.  — ______ .

_, and students having returned, the school willstart with ________ effort in the work that lies before it