Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.

he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.

Only when you have obtained sufficient data ________ come to a sound conclusion.

We were busy ________ (get) things ready for the trial production when he phoned us.

Wooddoesnotconductelectricity;________.