根据句意，用适当的介词或副词完成下列句子

1.When the sun began to go down, he stopped and put 　　  　    a tent (帐篷).

2.We tried to cheer her up 　　  　    telling her funny stories.

3. Could you please come up 　　  　    some ideas for making money?

4. We gave 　　  　    some money to some poor children in Yushu.

5. He called 　　  　    his parents asking for some money.

按要求写出单词的变化形式

1.lead（过去式）__________             

2. impossible（反义词）____________     

3. perhaps（同义词）______________   

4. encourage（名词）____________     

5. cycle（名词）___________          

6.certain（副词）_____________

7. time（形容词）____________         

8. slap（现在分词）_______________

9. space（同义词）____________        

10. sell（名词）_______________