A. He said that he doesn’t know what Fred is doing.
B. He said that he didn’t know what Fred is doing.
C. He said that he doesn’t know what Fred was doing.
D. He said that he didn’t know what Fred was doing.
Đáp án: D
Dịch: Anh ấy nói rằng anh ấy đã không biết Fred đang làm gì.
Câu hỏi trên thuộc đề trắc nghiệm dưới đây !
Copyright © 2021 HOCTAP247