With ____ leaves ____ in the earth every year, the soil becomes richer and richer.

The woman     there,      in a blue shirt, is Lily’s teacher.

_____ to sunlight for too much time, as the doctors say, will do harm to one’s skin.

The accident ________ the death of 6 passengers was ________ the driver’s carelessness.

What worried the child most was _________ to visit his mother in the hospital.