"I will study hard for the test, mum", said Peter. A. Peter promised to study hard for the test. B. Peter said I would study hard for the test. C. Peter told his mother to study hard for the Đoạn văn48/50"I will study hard for the test, mum", said Peter. Peter promised to study hard for the test. Peter said I would study hard for the test. Peter told his mother to study hard for the test Peter said he will study hard for the testGiải thíchChọn đáp án A