How to practice: This is the real DET (Duolingo English Test) Fill in the Blank format: read a sentence with one incomplete word, then type the rest of the word to complete it. The first couple of letters are given. Hit CHECK when you're done, or CONTINUE once it's correct.
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Complete the text with the correct words
Type the missing letters. Use Backspace to remove a letter and move back.
Before your trip, it is important to res__ your hotel room at least two weeks in advance.