5．Jim has to help his mother do the housework．(改为否定句)

Jim 　　　　　　　　　to help his mother do the housework．

4．Sam is ten years old．Jim is twelve years old．(合为一句)

　　 Jim is two years 　　　　　　　　　　　　Sam．

3．I often go to visit my grandparents by train．(对划线部分提问)

　　 　　　　　　　　　you often go to visit your grandparents?

2．They are going to Australia by plane next week．(变成同义句，每空一词)

They are 　　　　　　　　　　　　Australia next week．

根据要求完成句子。

1．It took us three years to build the park．(变成同义句，每空一词)

We 　　　　　three years 　　　　the park．

10．I saw an old man 　　　　(walk)over just now．

9．I live in a town 　　　　(call) Qufu．

8．Mr．Brown often makes his son 　　　　(help)him 　　　　　(clean)his car．

7．一Could you please 　　　　(take)out the trash?

一No problem !

6．Lisa with her classmates 　　　　　(have)to study for the math test．