Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

_______ he arrived at the bus stop when the bus came.

Đáp án đúng là: A
Giải thích
Hardly + had + S + PII + when + S + V (past) ~ No sooner + had + S + PII + than + S + V (past):
vừa mới...thì...
Dịch: Anh ấy vừa mới đến bến xe buýt thì chiếc xe buýt tới.