I received a letter yesterday that my mother would come to our school.A. saidB. saysC. say

问题补充：

I received a letter yesterday that my mother would come to our school.

A. said

B. says

C. saying

D. to say

答案：

A. said

B. says

(答案→)C. saying

D. to say

解析：可联系答.案.网客服索取。