→ nantonaku :這邊的IF後面是講相反的話 所以會比真正的時態往老師 10/24 22:20
→ nantonaku :往老時間推一格 ，即 真正時間是現完，if就要用過完 10/24 22:20
→ nantonaku :所以題目中 if後面是過完，前面就要選現完 10/24 22:20
→ KASUGAOSAKA :與過去事實相反地假設語氣 10/24 22:57
書名：Longman adv 4/e
頁數：p.142 #9
題目：
This purchase _____ a poor decision if it had
been made for investment purposes only.
a. would have been
b. would be
d. was
疑問：正確答案是a, 連續用兩個have been不會有點奇怪嗎? 所以我選了b
但後來看一看d好像也有可能, 為甚麼b跟d不行呢?
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