How to practice: This set collects only the Read & Complete 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.
Passage 1
Many animals around the world need our help. People can propro___… wildlife by not cutting down trees. Keeping forests hea___… gives animals a safe place to live.
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1) protect · 2) healthy
Passage 2
Some animals are in dandan___… because humans destroy their homes. We must act now to prepre___… more species from disappearing forever.
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1) danger · 2) prevent
Passage 3
Clean water is very imim___… for all living things. When rivers are polpol___…, fish and other animals cannot survive.
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1) important · 2) polluted
More read and complete sets at other levels · Browse the full DET question bank