单项选择题
Donkeys and camels are still widely used in some parts of the world as beasts of（）
A．cargo B．freight C．burden D．lading
单项选择题 These causes produced the great change in the country that modernized the（）of higher education from the mid-1860s to the mid-1880s.
单项选择题 They will fight against（）in order to create a fairer society.
单项选择题 Do you think that's a（）Picasso
