But for his help, we couldn’t have finished the wo...

Câu hỏi: But for his help, we couldn’t have finished the work on time.-> Had …………………………………………………………………………………..

Câu hỏi trên thuộc đề trắc nghiệm

Đề thi thử THPTQG môn Anh 2016 Hồng Quang lần 2