题目内容：

They (are relaxing) at home.画括号部分提问 ____ ____ they ____ at home.
This book is not as interesting as that one.改为同义句
That book is ____ ____ ____ ____ this one.
Tom is thinner than Sam.改为同义句
Sam is ____ as ____ ____ Tom.
He likes swimming.She likes it too.合为一句
They are ____ ____ doing the same thing.

优质解答

1. What are they doing at home?2. That book is much more interesting than this one.3. Sam is not as strong as Tom.4. They are fond of doing the same thing.