Complete the sentences, using the words or phrases in brackets. Make additions or changes where necessary. Seeing that more and more people are concerned about the quality of ______(1)_________ environment, John is considering starting an interior decoration business. It seems certain to earn _____(2)____________, but he does not yet have enough money ______(3)____________ it. (profit, invest, indoor) This ______(4)__________ is primarily used for ________(5)______________ of the sound quality of electronic media. It was invented in the US, but now it is used _______(6)________________. (improvement, global scale, device) When the first settlers came to America, their principal household utensils (器皿) consisted of a few pots, pans and some bowls ____(7)____________ in one corner of the house. There wasn't much material ______(8)___________ around them. They _____(9)_____________ in a restaurant as we often do nowadays. (temptation, dine out, stack)