in need, is crazy about，would rather, used to , very kind, a lot of traffic, throughout， getting lost, so patient

The children were afraid of __________ while going through the forest .
It’s necessary for us to help the people ________.
His brother __________ listening to music and he can sing lots of songs.
Bob _________ go to school on foot . But now he takes the school bus.
The professor (教授) worked very hard _____________ his teaching career.
I feel too tired. I ________ stay at home.
Sorry for being late. But there’s __________ in the street.
Timmy is _________ that we all like to ask him for help when we are in trouble.