After George had returned to his house

Câu hỏi: After George had returned to his house, he was reading a book. 

A he   

B had returned

C was reading   

D to his house

Câu hỏi trên thuộc đề trắc nghiệm

- Đề 2 - HKI - tiếng Anh 10 (có lời giải chi tiết)