Each sentence has four underlined words. The four underlined parts of the sentence are marked a, b, c and d. Identify the one underlined word that must be changed in order for the sentence to be correct.
The immediate cause most shallow earthquakes is the sudden release stress a fault, or fracture, the earth's crust.
আপনি আমাকে যেকোনো প্রশ্ন করতে পারেন, যেমনঃ
Are you sure to start over?