用所给词的适当形式填空。

1.His father worked for thirty hours without ________(stop).

2.My sister enjoys ________(read) very much.

3.Lei Feng is well-known for ________(help) other people.

4.His grandmother ________(bury) in his hometown, Shandong Province.

5.The Anti-Japanese War was one of the most important ________(event) in modern Chinese history.

如图中的花为______性花，该图表示的植物的传粉方式是______，花谢以后结出果实，还要经历的另一个重要生理过程是______，即精子与[5]______，形成______后可以发育成______．