题目内容
One way to understand thousands of new words in gain _____good knowledge of basic word formation.
| A./ | B.the | C.a | D.one |
C
当某些不可数抽象名词含义具体化,而被某些修饰词修饰时,前面要加不定冠词。如a betty understanding of the passage , a good knowledge of English
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