Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions Most guests __________ the party by the time we came
Giải thích
. Đáp án D
Cấu trúc: S + had + PP + by the time + S + V(past)
. Đáp án D
Cấu trúc: S + had + PP + by the time + S + V(past)