根据中文意思完成句子。

1. 昨天晚上当我在看电视时，爸爸睡着了。My father __________ __________ while I was

watching TV.

2. Tony 太小，还不能上学。Tony is __________ young __________ __________ to school.

3. 我该为她买什么生日礼物呢？What__________ I get __________her birthday?

4. 一片树叶足以使她非常高兴。A _________ ___________ a tree is __________ to make her

very happy.

5. 每个人听说过那件可怕的事并为那个人惋惜。Everyone __________ __________ the terrible

thing and felt sorry for the man .

从生育的社会属性上讲，非婚生子女是婚生子女的（）。