单项选择题
（）morphemes are those that cannot be used independently but have to be combined with other morphemes, either free or bound, to form a word.
A.Free B.Bound C.Root D.Affix
单项选择题 Language is arbitrary in that there is no logical connection between meanings and（）.
单项选择题 According to F. de Saussure,（）refers to the abstract linguistic system shared by all the members of a speech community.
单项选择题 The word “modernizers” is composed of（）morphemes.
