※ 引述《jaxkwiny (jaxkwiny)》之銘言：
: 題目:
: How to communicate effectively and how to close a sale___ the most valuable
: skills I learned in the sales training program.
: 答案是were
How to communicate effectively and how to close a sale were the most valuable
skills I learned in the sales training program.
(You are not in the sales training program now.)
How to communicate effectively and how to close a sale are the most valuable
skills I have learned in the sales training program.
(You are still in the sales training program now.)
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※ 編輯: uiiong (114.45.129.5), 04/23/2016 16:41:27