If you want to see Mr. Johnson on Friday morning, make sure he is ______ ahead of time. 

Apart from the opening and closing ceremonies and some key matches, ticket price will be____to ordinary people.

In my opinion, he is ______ to attend the important meeting tomorrow.

It is known that ________ medical examination helps people to find out health problems as early as possible.

Tom is a promising student. I am sure that with his________effort, he will make a very successful scientist.