1. 按括号中的要求改写句子。

1. （1） He went to summer camp on vacation.（改为一般疑问句，并作否定回答）

   — he to summer camp on vacation?

   —No, he .

3. （2） The bus trip started at six in the morning yesterday. （对划线部分提问）

     the bus trip yesterday?

5. （3） We went to the Great Wall last month.（对划线部分提问）

     you last month?

7. （4） The weather was sunny and warm last week.（对划线部分提问）

     the weather last week?

9. （5） Diana made great success in her research because she put her effort into it.（改为简单句）

   Diana made great success in her research her effort.