[題目] 新TOEIC必考單字600 23頁 填空第17題
書名:新TOEIC必考單字600
頁數:p.23 第17題
題目:
In order to address the changes that are currently taking place in the
market, I beleve we need to modify our business plan. I ____ data for the past
several months.
(A) gather
(B) am gathering
(C) had gathered
(D) have been gathering
疑問:
我是選C,可是答案是D,我一直想不通為什麼不能選C卻是要選D,感覺兩個答案都可以呀!!
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