Many theories on (A) conserving the purity of water (B) has been proposed but no one (C) has been as (D) widely accepted as this one.

Câu hỏi :

Many theories on (A) conserving the purity of water (B) has been proposed but no one (C) has been as (D) widely accepted as this one.

A conserving

B has been proposed

C has been

D widely accepted

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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Đề luyện vào 10 CHUYÊN môn Tiếng Anh số 7

Số câu hỏi: 182

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