Onlyaftertheyhaddiscussedthematterforseveralhours

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