1. 黄瓜   cucumber   corn   onion   carrot   Hint Half-n-half Clue   2. 土豆   pumpkin   potato   spinach   mushroom   Half-n-half Clue   3. 圆白菜   cabbage   pea   onion   corn   Half-n-half Clue   4. 红萝卜   cabbage   tomato   carrot   corn   Half-n-half Clue   5. 蘑菇   cabbage   pumpkin   cucumber   mushroom   Half-n-half Clue   6. 莴苣   lettuce   onion   tomato   pea   Half-n-half Clue   7. 葱   onion   lettuce   pumpkin   pea   Half-n-half Clue