根据单词填写句子,实在是看不懂

根据单词填写句子,实在是看不懂
B.Fill in the gaps by using the verb forms (-Ise or -ate) of the following underlined words.
1.The volunteer was rushed to the hospital to( ) blood.The （donation） helped
save the little boy's life..
2.in the （modern） world,science has given us the means to leap into the future.
Computer and internet technology has helped to( ) our way of life.
3.The theatre audience was amused at the actor's ability to ( )other well-known
actors,especially his （imitation） of the world-known comedian,Charlie Chaptin.
4.The Union （organisation） asked the union delegate to( ) a meeting with both the
workers and management.
5.If you want to( ) to Australia,you must apply to the local office of the
Australian （immigration） Department in your home country.