— A number of volunteers willing to work in poor areas in the western part of China.
— Yes, the number is getting .
A.is; more and more | B.are; larger and larger |
C.is; larger and larger | D.are; more and more |
— A number of volunteers willing to work in poor areas in the western part of China.
— Yes, the number is getting .
A.is; more and more | B.are; larger and larger |
C.is; larger and larger | D.are; more and more |