What topic is easier to write in the graduation thesis of English and American literature for professional English?

A Brief Comment on Shakespeare's The Merchant of Venice (Also on Shakespeare's The Merchant of Venice)

Hamlet: His character as a humanist (Hamlet's character analysis)

The parallelism and contrast of Shakespeare's drama language (parallelism and contrast in Shakespeare's plays)

The Social Significance of Dickens' Oliver Twist

On the Structure of Dickens' Hard Times

Jane Austen's The Art of Iron and Its Rhetoric Effect (Jane Austen's Irony and its Rhetoric Effect)

Appreciation of Literary Language in Pride and Prejudice