The correct answer is - খ) No other book is as interesting as this.

• Positive Degree এর ক্ষেত্রে:

• Positive Degree-এ "Very few....as...as / No other.....as....as" ব্যবহার করা হয়।

• উদাহরণ:

• Very few students are as brilliant as Rahim.

• No other boy is as tall as Rafiq.

• অন্যান্য অপশন:
ক) This is the best book I have ever read.

• Degree: Superlative

• "Best" → good-এর superlative form

• অর্থ: এটা সবচেয়ে ভালো বই যা আমি কখনো পড়েছি।

গ) This book is more interesting than any other.

• Degree: Comparative

• "More interesting than..." → comparative structure

• অর্থ: এই বইটি অন্য যেকোনো বইয়ের চেয়ে বেশি আকর্ষণীয়।

ঘ) This is the most interesting book in the library.

• Degree: Superlative

• "Most interesting" → superlative form

• অর্থ: এটি লাইব্রেরির সবচেয়ে আকর্ষণীয় বই।

Source: A Passage to the English Language, S.M. Zakir Hussain.

Correct Answer: ক) Very few boys in the class are as tall as he.

• Superlative → Positive Degree রূপান্তরের নিয়ম:

  1. শুরুতে Very few বসানো হয়।

  2. Superlative degree-এর পরের অংশ বসানো হয়।

  3. Verb-এর plural form ব্যবহার করা হয়।

  4. এরপর as + superlative degree-এর positive form + as + প্রদত্ত sentence-এর subject বসানো হয়।

Structure:
Very few + superlative degree-এর পরের অংশ + verb-এর plural form + as + superlative degree-এর positive form + as + subject

Examples:

• Superlative: English is one of the best languages of the world.
  Positive: Very few languages in the world are as good as English.

• Superlative: He is the tallest boy in the class.
  Positive: Very few boys in the class are as tall as he.

Source: A Passage to the English Language, S.M. Zakir Hussain.