Đề thi thử vào lớp 6 môn Tiếng Anh trường THCS Amsterdam năm 2024 có đáp án

By taking part 27. ____________ volunteer work, they can understand the difficulties and challenges that many individuals and communities have to face.

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By taking part 27. ____________ volunteer work, they can understand the difficulties and challenges that many individuals and communities have to face.

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Giải thích

Chọn B