Had I known she was sick , I __________her. 

Câu hỏi: Had I known she was sick , I __________her. 

A. visited

B. had visited

C. would have visited

D. would visit

Câu hỏi trên thuộc đề trắc nghiệm

Đề thi chất lượng HK1 môn Tiếng Anh lớp 12