If you want to select multiple levels of words or sentences, you have to:
1. Go to the "More" tab.
2. Tap on the "Levels" menu option.
3. Select the levels you want to study for: Words or Sentences.
Note: If you have a valid subscription (Premium or with Flowers), you will be able to choose any levels. If you do not have a Subscription, you will be able to choose just the first level.
You can also watch our video tutorial on how to select multiple levels of words or sentences here.
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How do I change my level?