Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có lời giải chi tiết (Đề 4)

Invasive weeds have been removed in key areas and fencing put up in order to (63) _______ plants in the wild.

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Invasive weeds have been removed in key areas and fencing put up in order to (63) _______ plants in the wild.

derive

vary

protect

remain

Giải thích

Chọn C