Choose the correct sentence A, B, C, or D which best combines two sentences. Language experts recommend the textbook. The textbook covers various language skills.

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Choose the correct sentence A, B, C, or D which best combines two sentences.

Language experts recommend the textbook. The textbook covers various language skills.

Language experts recommended textbook which covers various language skills.

Language experts recommended the textbook cover various language skills.

Language experts recommended the textbook which cover various language skills.

Language experts recommended the textbook which covers various language skills.

Giải thích

Đáp án đúng: D

Giải thích: Dùng which để thay thế cho danh từ “the textbook”, động từ covers chia ở ngôi số ít để hòa hợp chủ ngữ.

Dịch nghĩa: Các chuyên gia ngôn ngữ khuyên dùng cuốn sách giáo khoa bao gồm nhiều kỹ năng ngôn ngữ khác nhau.