1. Female students constitute the majority of our class. .（相比之下，他们班全由男生组成）
2.As our time was running out, we drove even faster （希望能够准时赶到机场）.
3.（这些问题连续不断地出现）suggests that our plan should be adjusted.
4.In his recently written autobiography, （他把自己的成功归功于父母的鼓励）.
5.（我们现在必须唤醒人们认识到环保的重要性），or it would be too late
