Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
________successful 'hydrogen bomb' test when many countries reacted with condemnation and suspicion
A. Hardly North Korea had claimed
B. Hardly had North Korea claimed
C. No sooner North Korea had claimed
D. No sooner had North Korea claimed
Chọn B
Cấu trúc đảo ngữ với Hardly: “Hardly +had +S + động từ phân từ II+…+when+ mệnh đề ở thì quá khứ đơn”