根据句意和中、英文提示写出单词的正确形式。

小题1:Many__________（登山者）will take part in the coming climbing competition.

小题2:My father is good at cooking ________(tasty)food.

小题3:His grandfather was ill yesterday but this morning he felt even          .

小题4:Many people lost their               in the big fire in 1970.

小题5:It’s necessary for us to      (keep somebody/something safe from danger )wild animals.

关于太空移民，（）。

A、现在的条件是无法实现的

B、现在的条件已经可以实现

C、不管什么时间都是不可能的