The biggest whale is ________ blue whale,which grows to be about 29 meters long—the height of ________ 9story building.
He is so happy ____ his father has promised to buy him an MP5 player.
– What’s the matter? You really look down. – _________.
----You didn’t come to the party yesterday. ---- ______? I’m not a party animal.
----Jack, can you make a sentence to ________ the meaning of the new phrase? ----Well…
_____ he met with the difficulty did he realize the importance of group work.