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While income worry is rather common problem of the aged, loneliness is another p

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While income worry is rather common problem of the aged, loneliness is another p

While income worry is ________ rather common problem of the aged, loneliness is another problem that ________ aged parents may face.

[]A.

a;不填

B.

the;不填

C.

a; the

D.

the; the

试题答案

答案:A