I think you should be about giving your address to strangers. It might be dangerous.[ ]

The businessman boasts to me that I can’t find a ________ gold necklace，because his shop deals in the best.

IhadwrittentwicetoJanet.Butshedidn’t______myletters,soIdecidedtogotheremyself.[ ]

My backpack __. — Don’t worry. Let’s goto the Lost & Found.

You seem to have understood the theory very well.–Yes, your careful explanation ______.