They usually have the medicine ______ before putting into the market all over the country [ ]

He is now playing football. It’s new one.

It ___ the students in your class who came to see you then.

I’d like to call you at 10 o’clock nextFriday morning if it is convenient.—I’m afraid I _______ an important meeting.

The discussion will go on until all the members reach the point ______they all agree on that issue.