Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions

Câu hỏi

We couldn't solve the problem until our teacher arrived.

Đáp án
D. Not until our teacher arrived could we solve the problem.

Câu hỏi thuộc Bài tập:

Đề thi thử tiếng Anh THPT Quốc gia 2023 (Mã đề 011)