When he arrived, he found ____ the aged and the sick at home.

He knew the files could be of help to        took over the job.

(2013·安徽马鞍山两校第一次联考)—Can I ask you a few straightforward questions about yourself?—Sure. I like ________ when people are open and direct.

One of the most important questions they had to consider was _________ of public health.

---He found a baby in his car when he came back from the supermarket. And         was crying for some milk. --- When was        ?---      was in 2000 when he was still in college.