20Helen devoted herself__________to her research and became a top scientist in the field of applied physics

依次填入下面的一段文字横线处的语句，衔接最恰当的一组是（    ） 对中学生加强文化科学知识的教育是完全必要的，但是否可以放松思想品德教育呢还要不要对学生进行爱国主义、集体主义、尊师守纪、热爱劳动的教育呢_______________ 。

It is going to rain today.Take an umbrella with you to _____ you from the rain.

【There’s a lot of water on the ground; the water pipe _____ be repaired.

So absorbed _______ in her work that she didn’trealize it was time that she picked up her daughter.