l think it is a ball改为否定句
I don't think it is a ball
l think
我认为
短语
yes l think so 是升这么认为
l think of you 我想你
l think about you mind 我想你不介意
You know what l think?
你知道我想什么吗?。
Yeah. l don't know, l think l read something about boyfriend troubles.
对。我也不知道,我想是有关于感情问题。