Câu 610:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
I have been ________ all day trying to get this work finished.
A. slaving away B. lying about C. consisting in D. blowing up
ĐỀ VIP 17 - THI THỬ HSA 2025 FORM MỚI - MÔN TIẾNG ANH - HS