— What do you call this in English? — It
题型:选择题
问题:
— What do you call this in English?
— It's a stamp. It ________ sending letters. [ ]
A. was used to
B. is used as
C. is used for
— What do you call this in English?
— It's a stamp. It ________ sending letters. [ ]
A. was used to
B. is used as
C. is used for