How to practice: This set collects only the Fill in the Blank question type from the real DET (Duolingo English Test) — DET Reading & Vocabulary questions. No grading, no timer — solve it yourself, then tap each question to reveal the answer or model response.
Q1 · Fill in the Blank
My dog needs fresh _____ every day to stay healthy.
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Correct: water
Q2 · Fill in the Blank
We took our cat to the _____ because she was sick.
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Correct: vet
Q3 · Fill in the Blank
Birds build their _____ in trees to keep their eggs safe.
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Correct: nests
Q4 · Fill in the Blank
The forest is home to many wild _____.
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Correct: animals
Q5 · Fill in the Blank
We should not _____ garbage in the park because it hurts nature.
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Correct: throw
Q6 · Fill in the Blank
The rabbit ate the green _____ in our garden.
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Correct: leaves
More fill in the blank sets at other levels · Browse the full DET question bank