Which one of the statements doesn’t refer to small...
Câu hỏi: Which one of the statements doesn’t refer to smallpox?
A Previous project had failed.
B People are no longer vaccinated for it.
C The WHO set up a worldwide campaign to eradicate the disease.
D It was a fatal threat.
Câu hỏi trên thuộc đề trắc nghiệm
Đề luyện thi THPT Quốc gia môn Anh 2019 - Đề số 6 (có video chữa)