Kỳ thi thử thpt quốc gia lần 1 năm 2019 môn Tiếng Anh cực hay có lời giải(Đề 26)

You ______ so politely at the party. Everyone was casually dressed

9/50

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

You ______ so politely at the party. Everyone was casually dressed

mustn't have dressed

needn't have dressed

couldn't have dressed

didn't need to dress

Giải thích

Đáp án B

needn't have dressed: không cần làm gì nhưng vẫn làm