there are ____these books and ___pencils on the desk a . a dozen , scores of b .scores of , a dozen of c . scores of , a dozen d . two dozens , a score 选什么及理由，详细点
there are ____these books and ___pencils on the desk a . a dozen ； scores of b .scores of ； a dozen of c . scores of ； a dozen d . two dozens ；a score 答案：c。首先排除a和d，dozen后不直接接指示代词。dozen是个数词，和hundred一样，我们说‘一百人’用one hundred people，而不说one/a hundred of people。所以b的后部分是错的。只能选a。这么辛苦，你连个分分也不给...
