[題目] IBM全真模擬990奪取第117題
看板TOEIC (TOEIC多益)作者ELLE1986 (if it scares u, do it!!)時間17年前 (2008/08/24 00:30)推噓3(3推 0噓 3→)留言6則, 3人參與討論串1/1
書名:IBM全真模擬990分奪取
頁數:p.40
題目: 第117題
My boss ________ the manual three times already but he still could not figure
out how to use the new praphics program.
(A) has read
(B) had read
(C) read
(D) as been read
疑問:為甚麼是A而不是B
因為題目寫 he still "could not" use.....
應該是過去式(現在是應該要用can not吧)
為什麼不是B呢
另外想要請教
S+ have p.p 跟S+ had p.p的差別
我知道第一項是已經...了
那第二個呢
謝謝大家!!!!!!!!!!
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