There are 60 students in my class and 44 of them use weibo veryoften.—44? That means about_______of your classmates are weibo users, right?

Excuse me，could you pleaseyour cigarette?——Sorry, I won’t.

My father stayed in Japan only a few months, _____he went through a series of hardship.

Do you prefer spring ________ summer?―________, because it’s warm and flowers start to come out．

Are _______ your friends?—Yes, ____ are.