When I met Walters about two years before his death he didn’t seem satisfied. He ………no major book before he settled in Uganda.

Câu hỏi :

When I met Walters about two years before his death he didn’t seem satisfied. He ………no major book before he settled in Uganda.

A has published     

B could have published            

C published       

D had published

* Đáp án

D

* Hướng dẫn giải

Phương pháp giải:

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