—Theyaresupposedtoarriveatsix,butthereisnosignofthem.—S... 國語站 題庫 9.04K 大中小設置文字大小 問題詳情:—They are supposed to arrive at six, but there is no sign of them.—Something unexpected to them.A.might happen B.must have happenedC.would have happened D.could happen【回答】B知識點:虛擬語氣題型:選擇題 TAG標籤:#