Why have you decided on the countryside for your holiday?－Because we are there is lots of clear, fresh air there.

________ do you update your micro blog (微博)?—Twice a week.

Excuse me, could you please ______ shout in the classroom?–Sorry! I will keep quiet from now on.

Oh, dear! I forgot the air tickets.　 —You ______ something.

At present, micro-blogs are traditional diaries among young people.