Thescientistsaretryingtofindoutwhat
來源:國語幫 2.64W
問題詳情:
The scientists are trying to find out what ______ caused the dolphins to strand themselves, a strange animal behavior hard to understand.
A. was it that B. that was that C. was that which D. it was that
【回答】
D知識點:強調句
題型:選擇題