____________________, he would have been able to pass the exam.  

Câu hỏi :

____________________, he would have been able to pass the exam.  

A If he studied hardly last year                                      

B Had he studied harder last year

C Provided he studied hard last year                             

D Studying harder last year

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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