—Theyaresupposedtoarriveatsix,butthereisnosignofthem.—S...
來源:國語幫 10K
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 happened
C.would have happened D.could happen
【回答】
B
知識點:虛擬語氣
題型:選擇題