Onewaytounderstandthousandsofnewwo

发布时间:2020-07-10 22:30:38

One way tounderstand thousands of new words is to gain ________ good knowledge of basicword formation.













A./












B.the











C.a











D.one

网友回答

C解析knowledge是不可数名词,当被某些修饰词修饰时,前面要加不定冠词。
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