Dogs have a very good ___________ of smell and are often used to search for survivors in an earthquake.
Just in front of our house __________ with a history of 1, 000 years.
At the foot of the mountain __________.
Only then __________ how much damage had been caused.
—It’s burning hot today, isn’t it? —Yes. __________ yesterday.
So difficult __________ it to work out the problem that I decided to ask Tom for advice.