1 . Finally the slave trade ________ (abolish) in 1807. (所给词的适当形式填空)

2 . The black slaves were given equal rights after the slavery was a________ (废除). (根据中英文提示单词拼写)

4 . He even _________(废除) some rules so that people could get access to the public service easily. (根据汉语提示单词拼写)

5 . 这些规则不适合社会的发展。它们注定要被废除。
The rules are not suitable for the development of society. They ______________________ .

6 . The government should ________ income tax for the low-paid.
政府应该取消低收入者的所得税。

7 . When the slave trade ______   __________(废止) in 1838, the former slaves took over the carnival.

8 . When the government is going to end the existence of a custom or a law，we say it is to be ________(废除)．

9 . On the annual International Volunteers Day, the world________ the work of millions of people who give their time to help others.

A．abolishes

B．accompanies

C．acknowledges

D．absorbed

10 . The government should ________(废除) income tax for the low paid. （根据汉语提示单词拼写）