Ifyou    atableearlier,youwouldn'tbestandinginsuchalong...

問題詳情：

If you     a table earlier, you wouldn't be standing in such a long queue outside now.

A. have reserved      B. reserved       C. reserve      D. had reserved

【回答】

D

知識點：過去完成時及其被動式

題型：選擇題