[請益] 請教一題文法

[a125059 (阿酷潮)]

請問各位高手 有一題是這樣
You must have heard of the famous War, which many people say ________something
 to do with an apple.

請問答案應該是had 還是to have呢？為什麼？
感謝指教哦

--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 27.242.38.113
※ 文章網址: https://www.ptt.cc/bbs/teaching/M.1541405262.A.8B8.html
→ millieyao: 我想了許久後覺得應該是用had,但我大概只有8成把握...
推 millieyao: 我問過教英文的美國籍老師了,他說答案只能是had.
→ millieyao: Many people say the war had something to do with an
→ millieyao: apple. The war is over. It's in the past, but even
→ millieyao: if the war was going on right now, we would not use
→ millieyao: an infinitive.
推 tucson: may people say 是插入句省略不看就知道答案是had