The weather is pretty sunny/bad these days.
It's pretty hot/cool these days.
He is having a bad mood these days.
The clouds are gathering pretty fastly, I think it's going to rain soon
5. 這三種是可以用的,但是推薦用第一種或第三種,然后就是 favorite 不拼做 favourite
favorite,favourite 都是正確的，，分別是美式英語，和英式英語的拼寫規(guī)則呵呵。謝謝幫忙。建議你focus 在美式或英式，兩者是比較接近，但是不建議混合用哦·~~