how many single words does your dictionary have

没错误呀。

how many single words are there in your dictionary

改成there be 吧 how many single words are there in your dictionary?比较合适。
single words 可以改成entry，词条的意思。

专家说的很对，句子本身没有语法错误，但是Chinglish !!!!!!!!!!

does 改成do

"多少个单字有没有你的字典"我不知道你说什么？？？语法错误？？