Here are two of the four letter words utilizing those 4 letters in a combination that immediately come to mind.
1. grin
2. ring
Answer:
The answer ia as though we where animals hope thia helps have a great day☻︎
D. Hat, a direct object is an object/ thing that is being used in a sentence a certain way. " I left my keys in the house" Keys is the direct object
Answer:
The invention of new medical practices. This is so because thousands of lives are being saved.
Explanation: