Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Câu hỏi

They tried hard, but they were not able to solve the problem.

Đáp án
C. Although they tried hard, they were not able to solve the problem.

Câu hỏi thuộc Bài tập:

END-OF-TERM 2 TEST - Tiếng Anh 11 Global Success