It is expected that the ____________(产量) of grain will increase by 10% compared with that in the previous year.
答案：output
Eggs are classified by weight as Extra Large，Large, ____________(中等的) and Small.
答案：Medium
Some people say beauty itself is ____________(抽象的), but I don’t agree.
答案：abstract
The design of modern ____________(建筑) concentrates on usefulness rather than decoration.
答案：architecture
