请用适当的单词或词组填空，完成句子。

Please fill in the blank with proper words or phrases to complete the sentence.

youdao

用所给词组的正确形式填空。

Fill in blanks with correct forms of the given phrases.

youdao

根据短文内容，用所给单词或词组的适当形式填空。

With the words or phrases appropriate form of the blanks.

youdao

根据短文内容，用所给单词或词组的适当形式填空。

With the words or phrases appropriate form of the blanks.

youdao