根据所给出的单词首字母填单词,补全句子.

问题描述:

根据所给出的单词首字母填单词,补全句子.
1.Hangzhou is k( ) as a tourist city in China.
2.The radio says there will be a great c( ) of the weather tomorrow.
3.Mr Green has got u( ) to the lifestyle here since he came to China last year.
4.The v( ) that came to our school yesterday are from Canada.

1.know
2.cold
3.usual
4.visitors