Hefellasleepimmediatelylastnight;hemust________(be)verytired.
I wonder if he could get it ________ (do) before tomorrow.
Heaskedmewhethermybrother________(fly)toBeijing.
he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
Thosewho’dliketovisittheexhibition________(sign)yournameshere.
