单选题
2分
There are different types of affixes or morphemes.The affix"-ed"in the word"learned"is known as a(n)...
There are different types of affixes or morphemes.The affix"-ed"in the word"learned"is known as a(n)__________.
参考答案: C
参考解析: 考查形态学知识。“-ed”表示的是过去时,属于屈折词缀,故选C。