Those students/ participate/ the community service/ be/ enthusiastic.

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Those students, participate in the community service, are enthusiastic.

Those students, whom they can participate in the community service, are enthusiastic.

Those students, who participate in the community service, are enthusiastic.

Those students, that participate in the community service, are enthusiastic.

Giải thích

Đáp án đúng: C

Hướng dẫn dịch: Những học sinh đó, những người tham gia vào dịch vụ cộng đồng thì nhiệt tình.