—        is the weather in Australia now?　　 —Hmm．it’s summer there and a little windy．

E-mail is very popular today. People hardly post letters, _________?

English is very useful ,____it?

I hear the tall girl wearing glasses is your new classmate. She’s from America, _____ ?

— Tom’s never done extra work for his class, _______he?—_______. He is the laziest boy in his class.