Câu hỏi:
It ‘s absurd! In the first section they praise us for preventing a “major epidemic” and in the next one they write that we ________ so many people.
- A needn’t have vaccinated
- B didn’t need to vaccinate
- C didn’t need vaccinate
- D needn’t to have vaccinated
Phương pháp giải:
Lời giải chi tiết:
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