निम्नलिखित वाक्य को चार भागों में विभाजित किया गया है। उस भाग को पहचानें जिसमें व्याकरण संबंधी त्रुटि है। He moved on the undergrowth / quickly and silently, / hiding / from the enemy.

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.