1.Hundreds of people are still in the water,waiting to be r .
【答案】 rescued
2.Tom is a c of mine at the bank.We have been working in the same office.
【答案】 colleague
3.We are anxiously waiting the o of the negotiations.
【答案】 outcome
4.There is a fire e on each floor of the building,for people to escape in case of fire.
【答案】 exit
