Look at those games. _______ are very expensive.

We can use pronouns to replace the names of people and things.

My sister isn't here. She is at the park.
My brother and I go to the same school. We like the teachers.
My favorite books are old but they are really interesting.

How to use them
Use I, you, he, she, it, we or they.

প্রশ্নে বলা হচ্ছে: Look at those games. এই বাক্যের Games শব্দটি একটি Noun. বাক্যের পরবর্তী অংশে games কে replace করা হবে, They Pronounটি দ্বারা।
সুতরাং সঠিক উত্তর হবে, They