我们图书馆里有两台电脑。 A.There are two computers in our library. B.There are many computers in our library. C.There are two computers and libraries in our school.
Bai Ling is two years older than Mary. Which one is right?
A. Bai Ling and Mary are both 12 years old.
B. Bai Ling is 10 years old and Mary is 12.
C. Bai Ling is 12 years old and Mary is 10.