用括号中所给词的适当形式填空。

1. For children, _____ (clean) their bedrooms themselves is a good habit.

2. Thanks for _____ (invite) me to your home for dinner.

3.  The girl is old enough _____ (make) her bed.

4.  There were a lot of _____ (visit)  at the aquarium yesterday.

5.  Mary is _____ (outgoing) than her brother.