----Do you know where coffee was from first?----It was said that coffee in Africa a long

问题补充：

----Do you know where coffee was from first?

----It was said that coffee in Africa a long, long time ago.

A. discovered

B. invented

C. was invented

D. was discovered

答案：

A. discovered

B. invented

C. was invented

(答案→)D. was discovered

解析：

这题考查的是动词的语态，invent是“发明（以前没有的东西）”，discover是“发现（以前就有的东西）”，咖啡被发现应该用discover，而且应该用被动。选D。