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Appropriate Preposition:
- Look over ( পরীক্ষা করা ) He is looking over the answer papers.
- Commence on ( শুরু করা ) Our examination commences on the 3rd July.
- Officiate in ( পরিবর্তে কাজ করা (পদ) ) He officiated for me in that post.
- Apply to ( আবেদন করা (ব্যক্তি) ) He applied to he Secretary for the post.
- Conscious of ( সচেতন ) He is conscious of his weakness.
- Live by ( কোন উপায়ে বেঁচে থাকা ) He lives by honest means.
Idioms:
- In time ( ঠিক সময়ে ) He reached the station in time.
- Slip of the tongue ( বলায় সামান্য ভুল ) This is a slip of the tongue, don't lay much stress on it.
- At bay ( কোনঠাসা ) The tiger was at bay in the bush.
- Chip of the old block ( বাপকা বেটা ) He is a chip of the old black.
- By far ( সর্বাংশে ) He is by far the best boy in the class.
- Above board ( সংশয়হীন ভাবে নির্দোষ ) His activities are open and above board.