The verb must agree with the subject in a. case b. number c. gender d. tense

What is the main idea of this paragraph from the volcanoes section of the ready.gov website

Select the correct answer. which headline do you think is most likely to be effective? a. if you want to stay healthy, take xyz for breakfast, lunch, and dinner b. stay fit, stay healthy with xyz c. health and fitness d. xyz is the magic solution for your entire family to stay fit and healthy e. xyz is your solution for all health and fitness problems

Select the dangling modifier in the paragraph. yesterday was a rough day. running for the bus, the rain began to pour. then, at guitar lessons, i had to play a song i hadn’t practiced. while walking home, i turned my ankle. my swollen ankle caused me to limp.