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Câu hỏi:

10/07/2026 9 Lưu

All cases of Covid-19 must be reported to the authorities.

=> It is obligatory _______________________________________________________

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Trả lời:

verified Giải bởi Vietjack

Đáp án:

It is obligatory that all cases of Covid-19 be reported to the authorities.

It is obligatory that all cases of Covid-19 be reported to the authorities.