For the two main body paragraphs, which sentences do the following? Note, you may write a sentence number more than once.   a. Signal the aspect being examined in the paragraph. [Fill in the blank] b. Indicate the main idea of the paragraph (i.e. the topic sentence) [Fill in the blank] c. Talk about method(s) used in the past [Fill in the blank] d. Talk about similarities between method(s) used in the past and those used today [Fill in the blank] e. Talk about differences between method(s) used in the past and those used today [Fill in the blank] f. Make a personal comment about these changes [Fill in the blank] 多项填空题