Please help me on the grammar practice.

QUESTION 7 In the following sentence, the underlined text is unnecessarily wordy or redundant. Select the answer option that is the best replacement. In view of the fact that an emergency situation may_develop, parents need to have a back-up plan for their children precisely in place. a. No change b. Since an emergency_situation may_develop, parents need to have a back-up plan in place. c. Because an emergency may_develop, parents need to have a back-up plan for their children. QUESTION 8 In the following sentence, the underlined text is unnecessarily wordy or redundant. Select the answer option that is the best replacement. Some companies now have day-care centers on site,_which help working parents with young children. a. No change b. Some companies at this point in time have day-care centers on site,_which helps working parents with young children. c.Some companies in this day and age have day-care centers on the corporate premises,_which helps working parents with young children. QUESTION 9 In the following sentence, the underlined text is unnecessarily wordy or redundant. Select the answer option that is the best replacement. To provide flexibility for parents, other companies let employees work at home on some days a. Because they are concerned about providing b. In order to provide c. No change