Choose the sentence A, B, C or D that best combines the given sentences. Question 25: We shouldn’t swim in this lake. Water is highly polluted. A: We should swim in this lake because water is highly polluted. B: We shouldn’t swim in this lake although water is highly polluted. C: We shouldn’t swim in this lake so that water is highly polluted. D: We shouldn’t swim in this lake because water is highly polluted. 13 Choose the best answer A, B, C or D to complete the sentence. Question 12: The polluted water__________ in the death of the fish. A: causes B: results C: leads D: makes 14 Choose the word whose underlined part is pronounced differently from the others. A: pollution B: dust C: earplug D: dump

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