Here’s how you can respond to the questions with a cohesive answer:

Personal Device:

The personal device I want to talk about is my smartphone.

Benefits:

One of the major benefits it brings to me is its versatility. It serves not only as a communication tool through calls and messaging, but also as a source of information, navigation, and productivity. I can manage my schedule, access educational resources, and stay connected with family and friends anywhere, anytime. Additionally, it provides easy access to social media and news, keeping me updated on current events.

Entertainment:

A smartphone is a great choice for entertainment because it allows me to stream movies, listen to music, play games, and read books all in one device. The vast selection of apps and services available makes it easy to customize my entertainment preferences, whether I’m watching my favorite shows or discovering new hobbies. It’s portable, so I can enjoy entertainment on the go, during commutes, or while traveling.

    1.    Volunteering activities help many teenagers find a sense of purpose in life.

    2.    The internet has enabled people to connect globally since its invention.

    •    It has been three years since I went kayaking

    •    The doctor advised me to spend more time in nature

    •    The modern art collection will be exhibited at the museum.

$v^{tb}=\genfrac{}{}{0ex}{}{S^1+S^2+S^3+S^4}{t^1+t^2+t^3+t^4}$

$\Rightarrow v^{tb}=\genfrac{}{}{0ex}{}{0+20+40+60}{0+1+2+3}=20cm/s$