The red ball bounced across the blue line. 红球弹过蓝线。 2. against The red ball rolled against the blue box. 红球滚动碰在蓝盒子上。 3. along The red ball is rolling along the blue line. 红球沿着蓝线滚动。 4. around The red ball is rollin...
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Is Fresh Air Really Good for You? We all grew up hearing people tell us to “go out and get some fresh air.”____36____ According to recent studies, the ans...