Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.

Thosewho’dliketovisittheexhibition________(sign)yournameshere.

heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.

You ________ go now. It ’s getting late.

Comrade Li ________ be in Beijing because I saw him in town only a few minutes ago.