Have you ever met with this case in your life you can't understand others even if they have said something several times?
—Miss Broun is very busy, isn’t she?—So she is. She has________greater responsibilities since she was promoted.
—You can’t imagine ____ fantastic fun web chatting is.—Really? But it may cause a lot of trouble sometimes.
—What did the doctor say?— He said, “________on time, this medicine will be quite effective”.
There is no excuse, ________, for hurting her feelings.
—You look so young. Haven’t you graduated from your university?—Yes, I________in the English Department of Shandong University for four years.