Hotmetal________asitgrowscooler.
A、contractsheteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
Herefusedtotelluswhetherhe________(undertake)thejob.
________ (catch) in the rain, he was wet to the skin.
Matter is the name ________ (give) to everything which has weight and occupies space.
