Tom, who _________English for 20 years in English, now has been appointed headmaster of our school

When you rewrite the paragraph, I advise you to leave outis thought unnecessary or misleading.

While a number of villagers in Shangcheng, Henan Province a kind of disease caused by the biting of a certain worm, very suffered death.

下列各句中，画线的“以”的用法和意义不同于其他三项的一项是（ ）

Victor apologized for __________ to inform me of the change in the plan. [ ]