题目内容:
Have you ever heard of the upside-down catfish, the only kind that _____ swims on its back?
A.habitually
B.casually
C.laboriously
D.seemingly
参考答案:
答案解析:
Have you ever heard of the upside-down catfish, the only kind that _____ swims on its back?
A.habitually
B.casually
C.laboriously
D.seemingly