Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
(A) Hardly he had entered (B) the office when he realized (C) that (D) he had forgotten his wallet
A. Hardly he had
B. the office
C. that
D. he had forgotten
Đáp án : A
Hardly he had => Hardly had he . Cấu trúc đảo ngữ: Hardly + auxiliary + S + V…..