Hardly did he enter the room when all the lights went out.

2/50

Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Hardly did he enter the room when all the lights went out.

did he enter

when

the lights

went

Giải thích

Đáp án A

Kiến thức: Câu đảo ngữ

Giải thích:

Cấu trúc đảo ngữ với “hardly…when…”:

Hardly + had+ S + P2 +when…: ngay khi…thì …

did he enter => had he entered

Tạm dịch: Ngay khi cậu ấy vước vào phòng thì đèn tắt.