【单选题】At the turn of the Millennium, some people believed the Day of Judgment was close ______.
【单选题】By hiking, people can ______ nature and experience a kind of life.
【单选题】由于血浆中低子量蛋白质过多,进入原尿后超过了肾小管的重吸收能力而产生的蛋白尿称为
【单选题】Shy people often avoid situations would force them into close contact with other people.
【单选题】Shy people often avoid situations _____would force them into close contact with other people.