推 solomon999 :形容system 03/14 00:35
書名：longman
頁數：p.161
題目：Once your router is installed, please take a momnent to register your
product. You need to register in order to receive update from our ______
system.
(A)auto
(B)automated
(C)automating
(D)automatically
疑問：答案是b 為什麼不能選c呢
謝謝
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