将下列句子改为同义句，每空一词。
1. To eat a balanced diet is very important.
________very important________eat a balanced diet.
2. They are watching TV a
t home now.
They are watching TV at home________ ________ ________.
3. What's wrong with your sister?
What's________ ________with your sister?
4. She has a sore throat.
There is something________ ________her throat.
5. There is a lot of milk in the bottle.
There is________ ________milk in the bottle.
