60. Which of the following group all belongs to the same category (范畴)? _____
—Keep your voice down. Otherwise, Tommy will hear what you say. — ______ ? I don't care.
It is in this very village ______ she will build her first school, ______ inspires everyone to help her.
Mary was only too ready to help others, seldom, ______ refusing them when they turned to her.
Mr. Wang made up his mind to devote all he could ______ his oral English before going abroad.
Influenza HINI is an illness that can result in death unless ______ in time.