Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có lời giải chi tiết (Đề 1)

Garbage dumps in some areas have relatively little glass and plastic because _______. A. people are ordered to return bottles B. returned bottles are few C. few bottles are made of glass or

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Garbage dumps in some areas have relatively little glass and plastic because _______.

people are ordered to return bottles

returned bottles are few

few bottles are made of glass or plastic

each returned bottle is paid

Giải thích

Chọn D