句型转换，每空一词。

1. I want to buy some cakes.(改为同义句)

    I ________ ________ to buy some cakes.

2. They'd like some oranges.(改为一般疑问句)

    ________ ________ ________ some oranges?

3. This book is 15 RMB.(就画线部分提问)

    ________ ________ ________ is this book?

4. He'd like cabbage and mutton dumplings.(就画线部分提问)

    ________ ________ ________ dumplings would he like?

5. Would you like a cup of tea?(改为同义句)

    ________ ________ a cup of tea?