VI. Câu đồng nghĩa và câu kết hợp có đáp án

The workers at the factory are required to wear protective clothing. A. The workers at the factory should wear protective clothing. B. The workers at the factory must wear protective clothi

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The workers at the factory are required to wear protective clothing.

The workers at the factory should wear protective clothing.

The workers at the factory must wear protective clothing.

The workers at the factory need to wear protective clothing.

The workers at the factory may wear protective clothing.

Giải thích

Chọn B