The FIFA World Cup is an event which many football teams compete each other

The novel was concerned ______ the Second World War, while most readers are more concerned _____ the hero’s love story

Alwaysread the ______ on the bottle carefully and take the right amount of medicine

You looked so tired this morning. How much_____ for the work —Oh, I was just helping my friend.

doyou usually go to school— By bus.