While income worry is ____ rather common problem of the aged,loneliness is another problem that ____aged parents may face.
A.a;/ | B.the;/ | C.a;the | D.the;the |
相关知识点
推荐套卷
While income worry is ____ rather common problem of the aged,loneliness is another problem that ____aged parents may face.
A.a;/ | B.the;/ | C.a;the | D.the;the |