3.Tom couldn’t remember when he first met Mr.Thompson,but he was sure it was ___ Sunday because everybody was at ____ church.A./; the B.the; / C.a; / D./; a

3.Tom couldn’t remember when he first met Mr.Thompson,but he was sure it was ___ Sunday because everybody was at ____ church.A./; the B.the; / C.a; / D./; a
3.Tom couldn’t remember when he first met Mr.Thompson,but he was sure it was ___ Sunday because everybody was at ____ church.
A./; the B.the; / C.a; / D./; a

3.Tom couldn’t remember when he first met Mr.Thompson,but he was sure it was ___ Sunday because everybody was at ____ church.A./; the B.the; / C.a; / D./; a
C,
因为题中说汤姆不记得是什么时候,所以只能记得是一个周日,at 与church之间不能加介词或冠词,译为“做礼拜”..C正确..

选C啦…前一个a表示“一个”，后面的词组不加冠词…