Matter is the name ________ (give) to everything which has weight and occupies space.
given
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Thisdiploma(毕业文凭)________thatyouhavecompletedhighschool.
We were busy ________ (get) things ready for the trial production when he phoned us.
Ifound________toanswerallthequestionswithinthetimegiven.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
Hotmetal________asitgrowscooler.
