LAURA HAS BEEN BURNING THE MIDNIGHT OIL TRYING TO FINISH THE HOMEWORK, SO I THINK SHE IS EXHAUSTED NOW
20. Laura has been burning the midnight oil trying to finish the homework, so I think she is exhausted now. Trang 5 - https://thi247.com/ A. making every attempt possible B. exercising regularly to keep fit C. staying up working late at night D. having lots of food late at night