根据中文或者首字母提示写出单词的正确形式，补全句子，每空一词，注意书写规范。
（1）Lily is taller and

heavier

heavier

（更重的）than her sister.
（2）The old fisherman goes

fishing

fishing

（钓鱼）every morning.
（3）I want a mountain bike for my birthday

present

present

（礼物）.
（4）Chinese people have the Labour Day holiday in M

ay

ay

.
（5）There was no computer room in my school thirty years a

go

go

.