The warmth of_sweater will of course be determined by the sort of_英语解答

The warmth of_sweater will of course be determined by the sort of_wool used.
Athe,the Bthe,不填 C不填,the D都不填
为什么选C?别的都代表什么含义?

人气：375 ℃　时间：2020-02-05 12:35:39

解答

C不填,the 是对的.
第一个空,sweater表示泛指,泛指“毛衣”,所以不用冠词；第二个空特指,某种种类的wool.