The death rate would decrease if hygienic conditions_______improved.
Đáp án C.
Dựa vào động từ ở vế chính (would decrease) → câu dùng cấu trúc câu điều kiện loại 2 nên đáp án đúng là C. were.
Tạm dịch: Tỷ lệ tử vong sẽ giảm nếu điều kiện vệ sinh được cải thiện.
hygienic / haɪ'dʒi:nɪk / (adj): sạch, không có vi khuẩn và bởi vậy không dễ lây bệnh.
Smoking is extremely detrimental to health, _____ many people continue to smoke anyway.
Many years ago, black children were _____________ to discrimination in many schools.
The authorities recommend that the meeting _____________ next Monday.
Her husband is very kind. He always cares _____ her and never puts all of the housework her.
As a small boy, he used to _______ alone in the house for an hour or two.
The archaeological excavation _____ to the discovery of the ancient city lasted several years.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We decided to spend ______ summer in ______ seaside town.