Nowadays, use____________of certain waste materials to protect the environment.
Hurry up, __________ we will miss the train.
He hurt her _________ badly _______ she had to see a doctor.
Look out! The traffic is moving fast. It's ________ dangerous ________ cross the street.
It's _______ far _______ walk home from here. Let's take a bus.
--------Why didn't Nick come to school yesterday? --------_______ he was ill.