________(fail)severaltimes,theyneedsomeencouragement.
Heaskedmewhethermybrother________(fly)toBeijing.
Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.
He________methathedecidedtoleaveonMonday.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
Ifound________toanswerallthequestionswithinthetimegiven.