Câu hỏi:
If we _____that you were there, we_____on you.
- A knew----would have called
- B had known----- would have called
- C had known--------will have called
- D knew----- will have called
Phương pháp giải:
Lời giải chi tiết:
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Câu hỏi:
If we _____that you were there, we_____on you.
Phương pháp giải:
Lời giải chi tiết:
Câu hỏi trước