It was the worst calamity ……………………… twenty years. A.for B.since Answer and Feedback Answer:A do you want? view more test Xem thêm Share this post Some other questions you may be interested in. What should come in place of the question mark '?' in the following number series? 2916, 972, ?, 108, 36, 12 17, 22, 27, 32, …... ? ….... 25, 75, 35, 70, 45, …... ? ….... 4, 6, 9, 13, 42 40 38 35 33 31 28 5, 12, 23, 50, 141, ? 210 209 213 186 202 (?) 2, 7, 14, 23, ?, 47 10,100,200,310,.... 22, 21, 23, 22, 24, 23, ___ ?
