sk given by the boss is ____ done, and we are to sum up our working experienceafter its accomplishment.

We will go for a picnic if it ______ tomorrow.

I ________ a topic for the composition, but haven’t decided yet

23. After working until midnight for two weeks, he finally_________and had to stay in the hospital.

依次填入下面一段文字横线处的短语，最恰当的一项是（ ）古往今来，凡是在事业上取得成功，为人类文明作出巨大贡献的杰出人物，无不  ① 过孤独， ②    过孤独，③  过孤独，最终使自己的生命在孤独中得到升华，获得永恒的价值。