Which part of speech is the underlined word? i'm using a ruler to draw a straight line. a. pronoun b. interjection c. adjective d. adverb

Depends on which word is underlined.
I is a pronoun, am using is a verb, a is a determiner, ruler is a noun, to help draw is a verb, a is a determiner, straight is an adjective, line is a noun. 

There is nothing inherently wrong with being gay. speaking generally, opposition to gays are usually judged on people's moral basis whether it be religion, experience or other factors. to conclude, there is no objective answer to this question only subjective ones that rely on people's idea of what is right and wrong.