问题

Most whales must come up for air afterseveral minutes, _______ a few can stay under water for an hour or more.

A:access
B:or
C:for
D:so

正确答案是：

同类题型

下列句子中没有错别字的一项是（）

It was because of his illness _____ the meeting had to be put off.

I’m sure you’d rather she went to school by bus，

____, Tom. Is this your pen—No, it isn’t. I think it’s ____.

_______ wise or eminent, judges are human and can make mistakes [ ]