वाक्य के उस भाग की पहचान करें जिसमें व्याकरण संबंधी त्रुटि है। यदि कोई त्रुटि नहीं है, तो 'No error' चुनें। We usually sleep in bedrooms with the door firmly shuted behind us.

Identify the part of the sentence that contains a grammatical error: 'Had I knew the answer, I would have raised my hand.'

Identify the part of the sentence that contains an error: A bigger budget has been set aside for this years marketing campaign in Asia.