1. Is internet important? Why?
Internet is really important, because it helps to communicate with friends or family.
2. How often do you sit in the internet?
Если много сидишь в интернете: I sit in internet a lot, I am addicted to internet.
Если мало сидишь в интернете: I sit in internet a few, because it's dangerous for our eyes.
3. How long do you usually online?
I sit in internet about (сколько-то часов) at day
4. Have you bought something in internet? If so, what is it was?
Если не покупала ничего в интернете: No, I don't, I think, that it's can be dangerous.
Если покупала что-то в интернете: Yes, I do. It's was (вещь которую покупала) and i like buying things in internet.
5. What phone brands do you know?
I know phone brands, like: Apple, Samsung, Huawei, Xiaomi, Asus, Lenovo, Microsoft.
Фантазии нет, так что хотя бы так.