Bộ 20 đề ôn thi Chuyên Anh năm 2023 (Đề 73)

Book-crossers 'release' books (5)_____ by passing them on to friends, or else by leaving them in public places for others to pick up

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Book-crossers 'release' books (5)_____ by passing them on to friends, or else by leaving them in public places for others to pick up

either

but

or

neither

Giải thích

Chọn A