Pronouns, prepositions, conjunctions articles are ___________ . A: open class words B: closed class word C: oth open class words and closed class word D: neither open class words nor closed class word

Adverbs belong to closed class words.

The classification of closed class words and open class words is usually determined by their gramatical functions.

Few words can be added to closed class words。 （ ）

At the beginning of the class,the noise of desks ________could be heard outside the classroom. A: opened and closed B: to be opened and closed C: being opened and closed D: to open and close

Adverbs belong to closed class words. A: 正确 B: 错误

_______ words (closed class) include determiners, articles, auxiliaries, pronouns, prepositions, conjunctions.

Functional morphemes are closed class of words because they do not admit new expressions.

Words like pronouns, prepositions, conjunctions, articles are ______ items. （ ） A: open-class B: closed-class C: neither open-class nor closed-class

Nouns, verbs and adjectives can be classified as A: functuional words. B: B. structural words. C: open class words. D: D. closed class words.