s: Which word in the sentences is an opinion-making signal. Choose the letter of the best answer. Write the chosen letter on the space before each number. 1. Mathematics is the hardest subject. A B C D 2. It is claimed that drinking coffee is good for you A. B C D 3. I think we should have more buses in the city. A B C D 4. Based on what I know, hand washing is a good way to prevent the sprea A B C D disease. 5. This apple pie is better than the pineapple tart that I had A B D