The missing piece is small, _______ nevertheless important.
A. or
Chọn đáp án B
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Some birds cannot fly well, _______, the chicken has wings, but its flying muscles are not strong enough to be useful.
Just_______ he died, my friend who wrote poetry published his first book.
Glucose does not have to be digested, _______ it can be put directly into the bloodstream.
Blindfish, which spend their whole lives in caves, have _______ eyes nor body pigments.