.He made a big mistake, and _________, he lost his job

that the drowning child was struggling in theicy water, the soldier dived into the river without hesitation, ___ his ownsafety

We should keep it in mind that beneath our feet ______ that our life depends on for food and clothing.

If you ____ the bottle and cigarettes, you’ll be much healthier.

.—Wow, what ______ snow!—Yeah, it must have snowed ______ last night.