单项选择题

In English, nouns, verbs, adjectives and ______ make up the largest part of the vocabulary, the open classes.

A．pronouns
B．adverbs
C．prepositions
D．articles
<上一题 目录 下一题>
热门 试题

单项选择题
Nation'as a free root can function alone in a sentence while dict is a ______ which can not function alone grammatically and has to combine with other morphemes to create new words.
A．active root
B．fixed root
C．non-free root
D．bound root
相关试题