1.In ten minutes he was fast___.He was too tired.2.I was bus

1.In ten minutes he was fast___.He was too tired.2.I was busy____trees on the hill.
3.We had to work for hours to stop the ship___going down.4.What do you__?I can't undersdand.5.The doctor asked me ___more exercise every day.用以下单词的适当形式：mean ,take,water,watch,from,sleep,sore,illness,advice.）