根据句子意思，用括号中所给的词的适当形式填空。
It’s __________(possible) to finish the job in such a short time. We need two more days.
Now people hope to eat healthily and begin to care about the _________(safe) of food.
They are looking forward to _________(win) the first prize in the coming competition.
Which do you think is _________ (interesting), going on a picnic of going fishing?
Follow that _________(doctor) advice and you will get better soon.
It’s reported that some wild animals __________(face) the danger of dying out now.
I can’t understand your suggestion. Would you mind explaining it __________(clear)?