Nobodyknowshowpeoplefirstcametotheseislands.They
來源:國語幫 1.32W
問題詳情:
Nobody knows how people first came to these islands. They ______ from South America on rafts.
A. must have sailed B. can have sailed
C. might have sailed D. should have sailed
【回答】
C
知識點:虛擬語氣與情態動詞
題型:選擇題