1. 根据句意，从方框中选择恰当的单词填空

dentist, mind, housework, together, however

1. （1） Mom spent all morning doing lots of at home.
3. （2） She didn't feel well. ，she still went to work.
   
5. （3） Playing sports every day is healthy for the
7. （4） I can't finish the work myself. Let's do it
9. （5） The twohelped me clean my teeth.