Friends send postards () each other () holidays or birthdays.A.to;to B.at;in C.for;on D.to;for
问题描述:
Friends send postards () each other () holidays or birthdays.A.to;to B.at;in C.for;on D.to;for
答
Friends send postards () each other () holidays or birthdays.A.to;to B.at;in C.for;on D.to;for