ribbing-ребра, ребристость, укрепление ребрами, высмеивание, подшучивание
slats -ребра
1/ has/ is 2.am/was 3.have/are 4. were / have 5.will are / will have 6. are
1. Yes, I very like black tea.
2. I have black tea for breakfast.
3. I prefer to drink tea with my beautiful sister.
"I recommend this book because it makes us think about the future."