问题
选择题
George couldn’t remember when he first met Mr. Anderson, but he was sure it was __________ Sunday because everybody was at __________ church.
A．不填; the
B．the; 不填
C．a; 不填
D．不填; a
答案
答案：C
第一空填不定冠词，表泛指; 第二空不填冠词，at church为习语，其中不 用 冠词。