When the suffix______is added to a verb, it changes this verb into an adjective.
A. -er
B. -ness
C. -less
D. -fully
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Which of the following words does not belong to open class?
A. Beat
B. Drama
C. And
D. Clever
______is NOT a grammatical category of English verbs.
A. Tense
B. Aspect
C. Number
D. Gender
Which of the following words contains an inflectional morpheme?
A. Weary
B. Pears
C. Friendly
D. Manifestation
下列关于药典作用的正确表述为()
A. 作为药品生产、检验、销售的依据
B. 作为药品生产、检验与使用的依据
C. 作为药品生产、销售与使用的依据
D. 作为药品检验、销售与使用的依据
E. 作为药品生产、检验、销售与使用的依据