we are happy ( )children's Day.A,on B,in C,at
问题描述:
we are happy ( )children's Day.A,on B,in C,at
答
A
答
选A,on。
都是on XXX day。
答
本题选A.在英语中,在特定的某一天时,介词用on,如on Friday,on January 3,1999 等.