I stared into the blackness and wondered if he was as aware of my presence as I .
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.
__________ homework did we have to do that we had no time to take a rest.