_____ started public opinion surveys?

• Who

• Whom

_____ of the students passed the test?

• Who

• Which

Does anyone know _____ hid the remote?

• whom

• who

By _____ was the book written?

• who

• whom

______ was the boy reading?

• Who

• Whom

• Whose

• What

....................... is my teacher.

• This

• That

• Those

• These

..................... is my school.

• That

• These

• Those

• This

..................... are my books.

• This

• Those

• That

• These

...................... is my cat.

• This

• Those

• These

• That

.................. are my parents.

• This

• These

• Those

• That