用方框内所级词的适当形式完成下列句子。（每词限用一次）

friend       warn         your         three        snow

 –Excuse me, where's the nearest bookshop?—Go along the road and it's just on the   street.

Lingling, if you don't warm up before taking exercise, you may hurt  .

In winter there's a lot of   in New York.

We're going to collect litter in the park next to my  house this afternoon.

Earthquakes always happen suddenly, so it's difficult   people about them.