Pollution can be caused from the following sources except_____________.

Choose the word whose underlined part is pronounced differently from the others.

Choose the word whose underlined part is pronounced differently from the others. 

Choose the word whose underlined part is pronounced differently from the others. 

Choose the word with different stress from the others in each question.

Choose the word with different stress from the others in each question.

Choose the word with different stress from the others in each question.

Choose the best answer A, B, C or D to complete the following sentences

Since 1965, the maple tree with the red leaves __________the most well-known Canadian symbol.