题目内容：

根据所给中文意思完成句子，每空限填一词。

1.他往房间里看了看，确定就他一个人。

He looked in the room to ________________ ________________ that he was alone.

2.妈妈走过来，拿走了我的脏衣服。

Mum came to me and ________________ ________________ my dirty clothes.

3.他搬得离办公室很远了。

He moved ________________ ________________ the office.

4.小心!你会从树上掉下来的。

Pay attention! You may ________________ ________________ the tree.

5.他终于找到了他的手机，他很高兴。

He found his mobile phone ________________ ________________ and he was very happy.