Hardly had he entered the room than all the lights went out. lights

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Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in the following question.

Hardly had he entered the room than all the lights went out.

lights

than

had he entered

went out

Giải thích

Kiến thức: Đảo ngữ với Hardly

Giải thích:

Sửa: than => when

Cấu trúc đảo ngữ với Hardly: Hardly + had + S + PP + when + S + Ved

Tạm dịch: Anh ấy vừa bước vào phòng thì tất cả đèn tắt.

Chọn B