用所给单词的适当形式填空: 1、There are many ___ cats on the streets. (home) 2、The young man is so eager to be ___. (succeed) 3、I'm in trouble in my work. I hope to get some ___ from my parents. (suggest) 4、We are moved by his ___ to his teaching job. (commit) 5、When we were young, we were told that it was ___ to get to the moon. (possible)