根据句意和中、英文提示写出单词的正确形式。
Many__________（登山者）will take part in the coming climbing competition.
My father is good at cooking ________(tasty)food.
His grandfather was ill yesterday but this morning he felt even          .
Many people lost their               in the big fire in 1970.
It’s necessary for us to      (keep somebody/something safe from danger )wild animals.