It is said in some parts of the world， goats， rather than cows， serve as a vital _______ of milk.
举一反三
- In some parts of the world, tea____(serve) with some milk and sugar.
- In some parts of the world, tea ___ with milk and sugar. A: is served B: is serve C: is serving D: served
- In some parts of the world, tea ______ with milk and sugar.
- In some parts of the world, tea ___________ with milk and sugar. A: serves B: is serving C: is served D: was served
- Chocolate milk tastes better than regular milk.