Would you like to take part in the jazz band of the school?

The police are conducting an investigation into the murder．

They made clothes and shoes with furs and skins of seals．

I saw my friend off at the airport．

Her spoken English is excellent．

She is suffering from lack of appetite．

In France it is the custom to shake hands with people in the office every morning．

Don’t you know it’s rude to whisper？

It’s impolite to stare at people for a long time．

Don’t worry about him．He is always very cautious．