【简答题】句型转换 1. They are American lions. (改为单数句子) ______ ______ ______ American lion. 2. The wolf eats vegetables and fruit. (改为否定句) The wolf ______ ______ vegetables ______ fruit. 3. There're some elephants ...
【简答题】D Cost of American Wars War name Cost of the war Cost as a percent of annual GDP Revolutionary War US $ 2.2 billion (in 2002 dollars) 63% War of 1812 US $ 1.1 billion 13% Mexican War US $ 1.6 billion ...