Hot metal ________ as it grows cooler.
A
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Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.
Night________(fall),wehurriedhome.
Howlong________they________(dig)theditch?
Agreatnumberofsmallpowerstations________(setup)intheircounty sinceliberation.
He________methathedecidedtoleaveonMonday.