Fill in the blanks with the words given below. Change the form where necessary.( item, stain,toss, slip, ponder, residence, stressful，stuff)1. Consequently, before going into any_________ situation, focus only on what you want to do.2.Few of us can fill up the tank without buying a few snacks, cigarettes, soft drinks orother______we can live without.3.As the plane was________ up and down, the pilot tried to stabilize it.4. “I was starting to feel like my whole world was falling apart – kind of _____into a depression," said Carla.5.They had entered the country and had applied for permanent _______.6. We can______over the ways and means for raising funds before the construction work starts.7. He______ the newspapers into s litter bin and headed down the street.8. It will remain an indelible (不可磨灭的)______ on his memory.