Visual aid : শিক্ষণ-সহায়ক চাক্ষুষ উপকরণ; দৃক-উপকরণ;
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Appropriate Prepositions
Attention to(মনোযোগ): He has no attention to his studies.
Cause of(কারণ): Industry is the cause of your success.
Inquire of, about, into, after (অনুসন্ধান করা): Roma inquired of me about my father’s health. The pope will inquire into the cause of fire. Mehjabin inquired after her friends.
Popte in, to (মার্জিত): We must be popte in our dealings. One should be popte to
Senior to (বয়সে বড়): He is senior to me by two years.
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Idioms
At last (in the end – অবশেষে) He tried hard, and at last, succeeded in achieving his goal.
Art and part (অভিসন্ধি ও সম্পাদন) We have no art and part in his affairs.
Hard nut to crack (কঠিন সমস্যা): The problem of adult education is really hard nut to crack.
Run a risk (ঝুকি নেয়া) — He ran a risk to save his life.
Turn over a new leaf (begin a new phase of life, নবজীবন শুরু করা) —After his failure he turned over a new leaf.