If there's a heavy snowstorm, the roof of that old house will surely ___.

If it starts to rain while we're hiking on the mountain, we'll have to look for ___ in a cave or under a shelf of rock.

I have an ___ message for the boss; please ask him to call me as soon as he arrives.

When the captain announced that one of the plane's engines was on fire, everyone on board was ___.

Years of ___ have led to serious food shortages and hunger throughout the poor African country.

When the river overflowed, hundreds of farm animals drowned in the ___.

The ___ continued for several hours, with ash and rock shooting into the air and lava pouring down the slopes of the once-quiet mountain.

When the students heard the fire alarm go off, they knew it was a fire ___ and they all walked calmly into the yard.

Their basement will ___ them protection if they need to take shelter from a tornado.

Don hasn't been himself lately. Do you know what the ___ of his unhappiness is?

Last week our team's goalkeeper suffered a serious knee ___, so he won't be playing for the rest of the season.

At the end of the difficult routine, the gymnast jumped from the beam and landed squarely on both feet without losing his ___.

It's a pleasure to work for a company who ___ its hard-working employees.

The high winds and heavy rain made driving dangerous so we ___ the storm in the safety of our living room.

When the earthquake began, I ___ to the floor and took shelter under a table.

Terrified by the crowd and the noise of the traffic, the little boy took his mother's hand and ___ tight as they crossed the street.

This desk is. made of ___ wood, so it can't break easily.

Don't be fooled by the ___ of panic in his voice; I know from experience that he is terrified, but he is just being brave for the rest of us.

The ___ of the ground was so strong that I realized immediately that the earthquake would cause severe damage.