________ about 6300 kilometers, the Yangtze River is the third longest river in the world, running through 9 provinces of China.
We are said to be living in ____ Information Age, ___ time of new discoveries and great changes.
—Hi, Terry, can I use your computer for a while this afternoon? —Sorry. ______
It was when she was about to go to bed ______the telephone rang.
When _____ to hand in his homework, Philip told his teacher that he had left it home.
It was ______ that I didn’t like to leave my room.