3. The _____ cat stole the fish from the kitchen when no one was looking. A. heartwarming B. entire C. sneaky D. mysterious

9. The _____ tree in our garden loses more leaves every autumn. A. ageing B. severe C. sensitive D. nourish

13. What is the word that means the period between childhood and adulthood? A. pore B. dental floss C. toothpaste D. adolescence

1. Most animals cannot survive in the _____ due to the lack of water and vegetation. A. ocean B. grassland C. fresh waters D. desert

14. What is the word that means a very small hole in the skin of people or other animals? A. mouthwash B. pore C. toothpaste D. adolescence

5. If your health condition is getting worse, you can _____ your doctor. A. consult B. consultation C. consultable D. consultative

2. _____ loss and lack of food are the two problems that the endangered animals are facing. A. Wetland B. Habitat C. Creature D. Individual

10. It’s _____ to swim alone in the river, so we should always go with others. A. convincing B. exposing C. risky D. suitable

4. We found a locked box in the room, and it made us curious about the _____ inside. A. staff B. intelligence C. tank D. mystery

8. His _____ with video games makes him stay up late every night. A. obsess B. obsession C. obsessive D. obsessively

12. What is the word that means something strange or unknown that has not yet been explained or understood? A. mystery B. jungle C. desert D. documentary