1Choose the word whose stressed pattern is pronounced differently from the others. A: quality B: science C: patient D: become Choose the best answer A, B, C or D to complete the sentence. 2Question 7: Robots in our home will do all the housework for us, and ______will become lazy and inactive. A: because B: therefore C: so D: as 3 Choose the best answer A, B, C or D to complete the sentence. Question 11: Air pollution, together with littering has _______many problems in our big cities today. A: bought B: caused C: affected D: made 4 Choose the best answer A, B, C or D to complete the sentence. Question 9: Water pollution in the lake has made the fish _______. A: dying B: die C: died D: to die