Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines the pair of sentences given in each of the following questions.
The fire-fighters made every effort to put off the flames. The building burned down completely.
A. The building burned down completely though the fire-fighters made every effort to put off the flames.
B. Had it not been for the fire-fighters’ every effort, the building would have burned down completely.
C. Making every effort to put off the flames, the fire-fighters completely burned down the building.
D. Since the fire-fighters made every effort to put off the flames, the building burned down completely
Đáp án A
Nghĩa câu đã cho: Những người lính cứu hỏa đã nỗ lực dập tắt ngọn lửa. Toàn nhà đã bị thiêu rụi hoàn toàn. => Hai vế chỉ sự tương phản, nhượng bộ
=> Đáp án là A. Athough ( mặc dù ), nối hai mệnh đề chỉ sự nhượng bộ.