【单选题】
()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
A、Free
B、Bound
C、Root
D、Affix
A、You are fired! You are hired! B、You are fired! You are fired! C、You are hired! You are hired! D、You are hired! Youarefired!