Pigs have a keen sense of ______, which is why they are used to find truffles. A. smell B. aroma C. fragrance D. odour
Pigs have a keen sense of ______, which is why they are used to find truffles.
A. smell
B. aroma
C. fragrance
D. odour
Pigs have a keen sense of ______, which is why they are used to find truffles.
Chọn A