ビギナーのレベル (Beginner)

From Twitter:

Student: This is what?
Teacher: No. Say: “What is this.”
Answer?: This is a book.
Teacher: So. _①_ is that?
Student: That is Sam.
Teacher: Right.
Student: Teacher, _②_ is my pen?
Teacher: Your Pen is here.

whose
who
where’s
when
where

Answers And Explanation
① what, because we switch the object (or where the name of the item or person would be) to subject’s position and replace it with ‘who,’ ‘what,’ ‘when,’ ‘where,’ or ‘how.’
② Where, because ‘where’ is the question word for locations.

Photo: Neponbrand