If I ………….. you were sick, I would have called soo...

Câu hỏi: If I ………….. you were sick, I would have called sooner.

A knew       

B have known     

C had known 

D would know

Câu hỏi trên thuộc đề trắc nghiệm

- Đề 1 - HKI - tiếng Anh 11 (có lời giải chi tiết)