Carol was late for work this morning. But for the traffic jam, she ____ half an hour earlier    

Câu hỏi :

Carol was late for work this morning. But for the traffic jam, she ____ half an hour earlier    

A  could come  

B could have come 

C had come  

D can have come

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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