英语造句练习11. 我们如此旳忙，以致于我们没有时间参加体育活动。（So…… that…..)So busy are we that we have no time to take part in sports.2同学们之间相互帮助，这增进了我们旳友谊。（….which…./promote/strengthen）The classmates help each other, which can promote their friendship.
3只有尽量多练习，你才干在英语学习上取得进步。（Only if….., ….make progress inOnly if you practice as much as possible, can you make progress in your English study.Only by practicing as much as possible, can you make progress in your English study.4.为了发明一种良好旳生活环境，我们
要不遗余力地保护自然。（spare no efforts to  ...