The other day，my brother drove his car down the street at________I thought was a dangerous speed

．China is playing an important role in the worldThat’s_______Laura has come to study Chinese

Why get up early

I saw your uncle take a taxi to the airport.Why didn’t you drive him there — I ______. But my car ______.

I’m a little bit nervous because I don’t know how tospeak in front of so many people.—_______.