【简答题】句型转换。 1. I like riding bikes.(改为同义句) _____ _____ is riding bikes. 2. The stamp on the desk is Ben's.(对画线部分提问) _____ _____ is Ben's? 3. This is a flower stamp.(改为复数句子) _____ are _____ stamps. 4. They d...
【简答题】阅读短文,选择正确答案。 Many Americans have been leaving their cars at home and riding to work on bicycles. Andy Clark is the leader of the League of American Bicyclists. His group supports bicycling for fun, fi...