Mum, I have _______ to tell you!
The parade went_______the streets to celebrate the traditional festival.
When _______cruel man was hurting the children, there were no adults around who were able to stop______hurting.
Helen devoted herself _______ to her research and became a top scientist in the field of applied physics.
Vitamin D helps our bodies make a special chemical,and this special chemical, __________,affects our brains,making us feel happy.
. Everyone must have known the death of the waitress,________?