Mary finished all her homework. Then, she played badminton with her sister.

39/40

Having finished all her homework, Mary played badminton with her sister.

Finished all her homework, Mary had played badminton with her sister.

Mary had played badminton with her sister before she finished all her homework.

Mary finished all her homework after she played badminton with her sister.

Giải thích

Đáp án đúng là: A

Giải thích: Rút gọn 2 mệnh đề có cùng chủ ngữ

Dịch: Sau khi hoàn thành tất cả bài tập về nhà, Mary chơi cầu lông với chị gái.