根据所给汉语提示，写出空缺处单词正确形式。
1. The book was _____ (寄送) to them.
2. I just enjoy _____ (看) games.
3. I will _____ (找) a job.
4. I am sorry to _____ (听到) it.
5. I _____ (忘记) to tell her about it.