3 It's a complete waste of time ....... over who was to blame, the main thing we have to do is decide what to do
next.
(A) arguing (B) discussing (C) repeating (D) considering
It's a complete waste of time ....... over who was to blame, the main thing we have to do is decide what to do next. (A) arguing 爭論 argue over something/argue with someone (B) discussing 討論 discuss about something/ discuss with someone (C) repeating 重複 (D) considering 考慮