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My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.
My father arrived while I ____the book.