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The bus started to leave. Charlie realized that he was...

Câu hỏi: Choose the best answer to indicate the sentence that best combines each pair of sentences in the following questions from 49 to 50
The bus started to leave. Charlie realized that he was on the wrong route.
A. Only after the bus had started to leave, Charlie realized that he was on the wrong route.
B. Not until the bus had started to leave did Charlie realize that he was on the wrong route.
C. No sooner had the bus to leave than Charlie realized that he was on the wrong route.
D. It was not until the bus had started to leave, Charlie realize that he was on the wrong route.
Giải thích:
Câu gốc: Xe buýt bắt đầu rời bến. Charlie nhận ra rằng mình đã đi sai đường.
A. Sai cấu trúc: Only after + mệnh đề + đảo ngữ
B. Mãi cho đến khi xe buýt bắt đầu khởi hành thì Charlie mới nhận ra rằng mình đã đi nhầm đường.
C. Sai cấu trúc: No sooner had S PII than + mệnh đề QKD.
D. Sai vì realise phải chia quá khứ đơn.
Đáp án B.