Thebasicunitinthestudyofmorphologyis______.
B
正如音位是音系学研究中的基本单位一样，词素是形态学研究中的基本单位。
_______forthefreeticket,Iwouldnothavegonetoseefilmsooften.
______movesonascaleofthenationallanguage,dialects,andindividualwaysofcommunication.
______ofasentencedependsonthecontextinwhichthesentenceisuttered.
______ of a sentence depends on the context in which the sentence is uttered.