副词 Dinner will be ready……

副词 Dinner will be ready…… Dinner isn't teady yet._______ will it be ready? ----will the dinner be ready I‘m hungry now. Dinner will be ready in 20 minutes 请问这句子中的“be”是什么意思、怎么理解? Dinner will be ready __.Let's go and wash our hands 完成句子（10分）1. When will the dinner be ready? I’m s________.2. "why?Do you think that dinner will be ready in five minutes? Dinner will be ready _____ but we have time for a drink befo ----will the dinner be ready I am hungry now.-just wait a mo The dinner ______{be} ready .Be at table,please,kids! Is dinner ready? ---Dinner's ready.