Đáp án + Giải thích bước giải:

* Bài tự làm, b tham khảo ^^

The Internet contains a repository of ancient knowledge of the East and West, enough for students to freely search for information for learning. With just a simple keyword or scanning an image, Google can also provide you with relevant documents, solutions, images and knowledge for better learning. The Internet provides students with the most effective means of communicating and exchanging information to learn together. When they need to contact each other to ask each other's questions or exchange problems about school, they have Messenger, Zalo, ...; When you want to watch video lectures to understand more lessons from other teachers' communication, we have Youtube, Facebook, ...; When we need to study online during the pandemic, we use Zoom, Microsoft Teams, etc. With the support of the Internet, not only students can connect with each other, but also parents and teachers can interact anywhere. anywhere, anytime.