By whom had my books been taken away without asking?
By whom had my books been taken away without asking?
By whom were my books taken away without asking?
By whom were my books taken away without asking?
By whom are my books being taken away without asking?
By whom are my books being taken away without asking?
By whom have my books been taken away without asking?
By whom have my books been taken away without asking?
Correct Answer:
By whom have my books been taken away without asking?
By whom have my books been taken away without asking?