It is sick people that especially realize the importance of good health. 生病的人才特别会体会健康的可贵。
It was about money that Jenny argued with her husband.
It was while his father was sleeping that the boy slipped out of his room. 就是在他爸爸睡觉的时候，小男孩溜出他房间。
It was because Jimmy told a lie that his parents scolded him.
It was I that made the mistake. 犯错的人是我。
No matter what present you give me, it is heart that matters.
It is not time but will that he lacks.他缺少的不是时间，而是意愿。