He didn’t know______ or stay until the end of the festival.                                     

Câu hỏi :

He didn’t know______ or stay until the end of the festival.                                     

A whether to go    

B  if that he should go 

C to go       

D if to go

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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