______ is the collective term for the type of morpheme that can

______ is the collective term for the type of morpheme that can be used only when added to another morpheme.
A、Affix
B、Suffix
C、Stem
D、Prefix
【正确答案】：A
【题目解析】：An affix is a bound morpheme that is used only when added to another word or morpheme. 词缀是一种只能粘附在其他词或词素上使用的黏着词素。