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Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. Trả lời câu hỏi dưới đây:In some areas, water has to_____ be boiled to it.

Mark the letter A, B, C, or D on your answer s

Câu hỏi

Nhận biết

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Trả lời câu hỏi dưới đây:

In some areas, water has to_____ be boiled to it.


A.
purity
B.
impure
C.
purify
D.
enpure
Đáp án đúng: C

Lời giải của Luyện Tập 365

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