Question

（2011·四川成都外国语学校9月考）While income worry is _______ rather common problem of the aged, loneliness is another problem that ________ aged parents may face.。来源:学|科|网]

A. a; 不填          B. the; 不填      C. a; the          D. the; the

Answer 1

A考查冠词的用法。第一空泛指“一个普遍的问题”；第二空泛指老年父母，其前不用冠词。