.---How often do you visit your granny in the village? ---I feel ashamed. ______.
The researchers have discovered __________they believe to be a new species.
The books sold ________millions in one day, and the publisher had to print another ten thousand copies.
--I think we are lost. I’ve no idea where we are.--I wish we __________the map with us.
The professor can answer almost any question __________we have about any history topic.
Due to the light pollution, stars are too faint _________with naked eyes in the urban area.