Question

【题目】Long time ago, dinosaurs all died out suddenly.
A.went out
B.kept alive
C.disappeared

Answer 1

【答案】C
【解析】句意：很久以前，所有的恐龙突然灭绝了。A. went out 出去，离开；B. kept alive保持活力；C. disappeared消失，不复存在。died out消失，绝灭。故选C。