试题题干
Some morphemes are words such as help, table and room, which are independent units of meaning and can be used independently. They are called （）.
参考答案
正确答案：
试题解析
自由词素是本身具有完整意义，可以独立使用。比如：help, table, room。
Some morphemes are words such as help, table and room, which are independent units of meaning and can be used independently. They are called （）.
自由词素是本身具有完整意义，可以独立使用。比如：help, table, room。