The committee urged that actions ________ to control pollution.
I am extremely ______ at the way he always stares at me in the office.
There are many things in different areas ________ we can do to reduce the possible dangers of AIDS.
——Do you mind my opening the window? It’s a bit hot here.—— ________ , as a matter of fact.
All of the students were ______ by the ______ speech _______ by the leader.
. I have no idea _______ he left the party without _______ .