Choose the word or phrase (A, B, C or D): The strange disease__to have originated in Africa.

Câu hỏi :

Choose the word or phrase (A, B, C or D) that best completes each sentence.

A. thinks

B. is thinking

C. is thought

D. thought

* Đáp án

C

* Hướng dẫn giải

Đáp án C.

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