Don’t arrive late for class, Tom. –_____________.

While travelling in a strange place, you’d better ____ the local people and follow their customs（习俗）.

He’s never watched such an interesting film before,

If you _____ smoke, please go outside because this is a non-smoking office. [ ]

Shall we take a bus to the library— It’s not far. I think we________ take a bus. Let’s walk there.