英语翻译
1.Such an important problem should be discussed____(serious).2.Cleaners clean the street every day.Their work is____(true)common.3.If people don't have breakfast in the morning,they will feel tired and get angry____(easy).4.______(lucky),they escaped from the burning building with the help of the firemen.5.Windy does______(badly)in P.E.than me.