题目内容
单词拼写:根据句意,用括号内所给单词的适当形式填空。
The swallow flies to ________(north)countries in summer every year.
答案:northern
练习册系列答案
相关题目
题目内容
单词拼写:根据句意,用括号内所给单词的适当形式填空。
The swallow flies to ________(north)countries in summer every year.