按括号中的要求完成改写后的句子，每空填一个单词。

1. I'd like to go to Shanghai on vacation. (对划线部分提问)

    ______________ ______________ you like to go on vacation?

2. He didn't go shopping because it rained. (改为同义句)

    He didn't go shopping ______________ ______________ the rain.

3. I like the book. The book has many pictures. (合并为一句)

    I like the book _____________ ______________ many pictures.

4. He often brushed his teeth before he goes to bed. (改为简单句)

    He often brushed his teeth _______________ _______________ to bed.

5. I hope I can sail across the Pacific Ocean some day. (改为同义句)

    I hope ______________ _______________ across the Pacific Ocean.