I like the group singing _____class Five best,空中应该填什么a.for b.on c.in d.by我要详细解释,谢谢!

问题描述:

I like the group singing _____class Five best,空中应该填什么
a.for b.on c.in d.by
我要详细解释,谢谢!

by 吧.具体原因解释不清,语感.