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থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

Choose the sentence with the correct idiomatic expression.

A. They were burning oil at midnight to complete the project.
B. They were burning the midnight oil to complete the project.
C. They were using midnight oil to complete the project.
D. They were lighting midnight oil to complete the project.
সঠিক উত্তরঃ B. They were burning the midnight oil to complete the project.
Explanation: