题目内容：

there are___(sure)many tourist attractions in beijing.

优质解答

there are_sure__(sure)many tourist attractions in beijing

追问：

the taxi___are now developing quickly in shanghai.(serve) 好了采纳谢谢～

追答：

这个地方是服务业的意思啊，加个s就可以了

追问：

services 是这个不？直接加S貌似是三单