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

He called to tell me that you are in hospital, otherwise I ______ nothing about it.

id you last hear ____ Jay—He phoned me this morning, and we agreed ____ atime and place to meet.

If our government_____attention to controling food safety now, our health _____in danger.

It is well known _______ all people that Beijing is known _______ the capital of China.