The migratory birds use the same nests y

考试题库2022-08-02  9

问题 The migratory birds use the same nests year after year,( )new material each time.A.and will addB.to addC.which are addedD.adding

选项 A.and will add
B.to add
C.which are added
D.adding

答案 D

解析 该题考查句子结构。根据句意排除B选项(不定式做状语表原因,目的或结果),选项C应为which are added by故排除,选项A不符合时态一致原则。故答案为D(分词做use伴随状语或做主语the migratory birds补足语)。
转载请注明原文地址:https://tihaiku.com/xueli/2697718.html

最新回复(0)