从下列所给词中选择合适的词,并用其正确形式填空。 appreciate assign continue equipment excellent invite range service source task unable work(v.) He won the first prize for his ____________ work, and both his parents and friends were very happy.
【简答题】阅读理解。 NANJING, June 13, 2009 (Xinhua)-China will see the longest total solar eclipse (日食) in 500 years on July 22, a scientist said Saturday. The most important time of the total eclipse was expected ...