1. A. welcome B. upstairs C. hobby D. eggshell
2. A. receive B. fragile C. unique D. arrange
3. A. highlight B. enjoy C. reverse D. review
4. A. outdoors B. melody C. perform D. machine
5. A. leather B. bird-watching C. ice-skating D. unusual
6. A. eggshell B. cycling C. arrange D. gallery
7. A. police B. allergy C. toothache D. sunburn
8. A. funny B. pretty C. sickness D. alone