Some experts are warning that the step the USgovernment has taken to deal with the current crisis between China and Japan is______ of much risk

下列句子中的“以”字含义和用法相同的一项是 ①去以六月息者也　②以五百岁为春　③耕植不足以自给 ④奚以知其然也　⑤问征夫以前路　 ⑥猥以微贱　 ⑦园日涉以成趣 　⑧舟遥遥以轻飏

John had ___ me to do this, but he didn’t

What would you like to drink, tea or coffee is OK. I don’t mind.

He treated me as though/as if _____his own son.