---Why you are so worried? --- I ___for my little son all the afternoon, I don’t know why he hasn’t come back so late.
She came in for coffee and told me traffic kept her awake last night.
It’s so nice to hear from her again., we last met more than thirty years ago.
--- Do you think you will be able to finish your writing by five o’clock today? --- __________. I’ll be busy with experiments all day.
Shanghai and Nanjing are among the most important cities in China __________ their size and population.
Nongfu Spring, one of China’s biggest bottled water companies, was reported ________ to meet national standards, and its chairman held a news conference in Beijing on May 7.