Choose the sentence that best combines each pair of sentences given. Plastic takes hundreds of years to decompose in the ground. That is harmful to the environment.

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Choose the sentence that best combines each pair of sentences given.

Plastic takes hundreds of years to decompose in the ground. That is harmful to the environment.

Plastic takes hundreds of years to decompose in the ground, that is harmful to the environment.

Plastic takes hundreds of years to decompose in the ground, in which is harmful to the environment.

Plastic takes hundreds of years to decompose in the ground, which is harmful to the environment.

Plastic takes hundreds of years to decompose in the ground, from which is harmful to the environment.

Giải thích

Đáp án đúng: C

Giải thích: Dùng "which" để thay cho toàn bộ mệnh đề trước (“Plastic takes hundreds of years to decompose in the ground”).

Dịch nghĩa: Nhựa mất hàng trăm năm để phân hủy trong lòng đất, điều này gây hại cho môi trường.