—Would you permit me ___________ here?— Sorry. We don’t permit ___________ in the lab.
The laboratory was well ______ for atomic research.
A poet and artist ______ coming to speak to us about Chinese literature and painting tomorrow afternoon.
The president spoke at the business meeting for nearly an hour without ______ his notes.
Her work changed the way _______ people think about chimps.
The Voice of America began during the World War Ⅱ, when Germany was broadcasting a radio program to get international ______.