[請益] 請問題目一題

[ws6522 ()]

在網路上看到有人提供一題題目為

Instead,we ask that you stay an hours later after work that day.Any specific
questions you have ------ these changes can be addressed to me at db32@rexon.


(A) concern (B) to concern (C) concerned (D) concerning



答案是D

解釋為you have是關代修飾questions 可以省略不看 所以questions(you have)concerning
these changes

想知道的是

為何會是Ving的用法

謝謝大家~

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→ gentianpan: 當介係詞=about 根據前後文可知
推 Tenka: any question [(that) you have] [that concern these
→ Tenka: changes] can be addressed to me at db32@rexon.
→ Tenka:    *questions
推 vincentman: 把concerning看成which concern或直接當介系詞用都可