写出括号单词的反义词完成句子（有两个是多余的选项）希望可以将反义词译成中文,
fatter longer young light only big happy
1.these monkeys are (thinner) and those tigers are ( )
2.many years ago,he was ( ) ,but now he is very old .
3.this box is ( ) for you ,but it is (heavy) for me.
4.this blue pencil is (shorter) and that one is ( )
5.Beijing is a ( ) city but Lirzhou is (small) city