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You can find many videos on YouTube. Not only movies, you can also find video explanations about your professional knowledge. You can save a lot of time during the review, because you can quickly find the knowledge points you are confused about and explain the video.

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Kahoot can make it easy for us to learn knowledge points, because many people do multiple-choice questions together and get scores. It won't make you feel very boring.

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if you want to communicate with your group members, you can use Zoom. Zoom allows multiple people to make video calls at the same time and share their computer screen. You can show your documents to your team members clearly and quickly.