問題詳情:
Only after they had discussed the matter for several hours________ a decision.
A.they reached
B.did they reach
C.they reach
D.do they reach
【回答】
B only後跟狀語放在句首,主句應該用部分倒裝。通過had discussed可知主句時態應該用過去式。句意:他們討論了這件事情幾個小時之後才達成了一項決議。故選B項。
知識點:倒裝與省略
題型:選擇題