Is bottled water cleaner than tap water? (8.2.1第一个视频）
A: Yes
B: No
C: Sometimes, sometimes not
A: Yes
B: No
C: Sometimes, sometimes not
举一反三
- Compared to the tap water, bottled water ______.
- Most bottled water is the same as tap water. Both tap and bottled water come from rivers and _______ .
- which water is more expensive? A: bottled water B: tap water
- In most cities, people prefer to choose ( ) A: tap water B: bottled water
- Most bottled water is the same as tap water.