请用下面方框内所给的词或短语完成下列英语句子。每个只能用一次.clean, empt

题目内容：

请用下面方框内所给的词或短语完成下列英语句子。每个只能用一次.clean, empty, used to, sentence, trouble1.The Chinese unite as one to face any ______.

2. Write down the______ , or you will forget it.

3.My brother likes playing outside,so it's difficult for him to keep his hands______.

4.If you want to use that bag,you should ______it first.

5. The young scientist ______ live in America. Now he has come back to China.

最佳答案：

1.trouble2.sentence3.clean4. empty5.used to

答案解析：

该题暂无解析

考点核心：

根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。