The city council got a group of volunteers ______ up the slums to improve living conditions.

Spending too much time on social media can have ______ negative impact on mental health.

Circle the letter A, B, C, or D to indicate the correct arrangement of the sentences to make a meaningful paragraph in each of the following questions.

a. It allows people to stay in touch with friends and family and share life updates.

b. Indeed, social media provides various benefits including enhancing communication and learning.

c. In short, social media can enrich our lives by fostering relationships and providing valuable information.

d. Additionally, social platforms offer opportunities for learning and discovering new ideas.

e. Thanks to recent technological achievements, social media has quickly developed in the past twenty years.

What is the passage mainly about?