Fill in the blank: 44. 你知道左边这个字是什么 ( ) 吗?

Fill in the blank:

The sentence translates to: "Do you know what the character on the left is ( )?"

This sentence is a question asking for identification. The blank likely needs a word that completes the interrogative structure or specifies the nature of the question.

The character sequence 'shì shénme' already means 'is what'. The blank seems to be at the end of the embedded question within the larger question. A common structure in Chinese for asking