––David has made much progress in Chinese this year.––____. He has reached a level which is quite good.
-- Would you please your radio a little? I can hardly go to sleep.-- Oh, sorry.
He wrote his novel when he was .
-- The windows are broken and need to be repaired.-- I think so. They can hardly the cold now.
-- I don't know you take a bus to school.--Oh, I take a bus, but it is raining heavily today.
--Would you mind opening the window? It's too hot.--