阅读短文，判断下列句子正(T)误(F)。
I'm Mike. I'm in Shanghai. It's very hot and sunny now. I can wear my new T-shirt. And my old hat is too
small. I want to buy a new one. But it's too expensive. It's fifty yuan.
( ) 1. It's cool in Shanghai.
( ) 2. Mike has a new T-shirt.
( ) 3. The hat is forty yuan.
( ) 4. It's sunny in Shanghai