三題文法問題 - 英檢

29. About 75 percent of all cadmium is used for cadmium plating of _________
such as iron and steel.
A. easily corroded metals
B. metals are easily corroded
C. corroded metals that easily
D. how easily metals corroded

請問為什麼不是B而是A呢
OF 之後不是要接名詞嗎

51. _________ denotes currency in circulation plus bank deposits.
A. The term “money supply”
B. The term is “money supply”
C. When the term “money supply”
D. “Money supply” is the term

請問為什麼不是D而是A呢

61. At the time of Columbus’ voyages, Native Americans used an astounding
diversity of languages, ________ the diversity used by Europeans.
A. the greatest by far
B. by far than greater
C. by far the greatest
D. greater by far than

請問為什麼不是C而是D呢
問題有點多，謝謝大家！！！！

--