Difficulties and hardships have ________ the best character of the young geologist.
Little __________ that we were watching his every move, so he seemed to be going his own way in this business.
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.