______ go walking with us after supper this evening? — Great! I have nothing important to do.

Lucy is10 years old. He is ______to go to school.

How many students are there in your class? — Forty，and ________ of us are girls.

What a nice bike! Is it new?—No. I have _________ it for 2 years.

Which place do you prefer to live in, a city or a countryside?– I don’t care. ______ is fine.