Did you ______that Nancy has been a littletoo quiet these days?— Yes. She didn’t even say a word this afternoon.

Take one more pen. If your pen doesn’t work during the exam, you can use the other one.－ OK, Mum. You are always_______.

He to Dongying many times, so he knows every corner of it.

Where is Mary?— She ____ to Harbin.

To do some voluntary work for the 2nd Youth Olympic Games is ______ excellent chance for us to serve our hometown—Nanjing.