Everything the economics professor said was  useful to ___ in____effort to understand what has been happening the financial world.

Câu hỏi :

Everything the economics professor said was  useful to ___ in____effort to understand what has been happening the financial world.

A us- our 

B me – myself

C his – his own

D them – theirs

* Đáp án

A

* Hướng dẫn giải

Phương pháp giải:

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