दिए गए वाक्य में रेखांकित खंड को प्रतिस्थापित करने के लिए सबसे उपयुक्त विकल्प का चयन करें। यदि किसी प्रतिस्थापन की आवश्यकता नहीं है, तो 'No substitution' चुनें। Do you have to stay home last week?

Select the option that improves the underlined part of the sentence: The boy told his teacher to explain the passage.

Select the option that improves the underlined part of the sentence: We demonstrated to them how we were prepared the artistic patterns.