Bộ câu hỏi: Thì và sự phối thì (Phần 1) (Có đáp án)

Only after Nam out of the exam room did he realise that he had forgotten to bring his calculator.

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Only after Nam ______ out of the exam room did he realise that he had forgotten to bring his calculator.

gets

had got

has got

was getting

Giải thích

Chọn B