According to ____ World Health Organization, health care plans are needed in all big cities to prevent ____ spread of AIDS.
A.the;/ B.the;the C.a: a D./;the正确答案B
According to ____ World Health Organization, health care plans are needed in all big cities to prevent ____ spread of AIDS.
A.the;/ B.the;the C.a: a D./;the正确答案B
