It's cold outside. Let's make a fire ____ (keep) warm, shall we?
Look! There’s _____ sheep on the hill. How lovely!
金属块浸没在盛满水的杯中,从杯中溢出10g的水,若把此金属块放入盛满酒精的杯中,从杯中溢出酒精的质量是(ρ酒精=0.8g/cm3)( )