— I ____ to your birthday party last Sunday.— Unfortunately, you were out on business.
Young as he is, David has gained ____ rich experience in ____ society.
We had a really bad time about six months ago but now things are ____.
Now that we ____ all the money, it’s no use turning on me and saying it’s all my fault.
Thank you for sending us ____ fresh vegetables of many kinds. You have done us ____ a great service.
___ nearly all behavior is learned behavior is a basic assumption of social scientists.