[題目] 怪物講師全真模擬試題 p.209 No.129

作者: hill560 (⊙ωꐠ)   2017-05-03 18:27:12
書名:NEW TOEIC 五回 怪物講師 全真模擬試題
版本:2015/3 再刷9版
頁數:p.209 No.129
題目:
____ for the technical support must be submitted through the form ava
ilable online.
as you decide to attend.
(A) Request
(B) Requested
(C) Requesting
(D) Requests
疑問:為甚麼D而不是C或A
麻煩大大們解答 感恩><

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