You must also—- taught—- polite in company and keep quiet while others, especially your elders spoke. Appropriate fillers for the gaps are-

Question

Accepted Answer

ঘ. be, to be

ব্যাখ্যা: 'Must also be taught' (passive) এবং 'taught to be polite' (taught + to-infinitive): You must also be taught to be polite। তাই be, to be।

**শর্টকাট:** Taught to + V1; must + be + V3।

**একই ধরনের প্রশ্ন:**
১. He was taught ____ honest. (to be/be)
*উত্তর:* to be

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