People
need to brush ( )to prevent tooth decay.
A: daily
B: day
C: dayly
need to brush ( )to prevent tooth decay.
A: daily
B: day
C: dayly
举一反三
- You need to brush your after . A: tooth, eat B: teeth, eating C: tooth, eating D: teeth, eat
- Questions 17—20 are based on the following passage. According to Mr. Tait, what should we do to improve the situation of tooth decay A: Spend more money in fighting tooth decay. B: Have better education. C: Improve people’s standard of living. D: Get rid of some of our teeth.
- How many times do you brush your ________ every day？(tooth)
- 中国大学MOOC: C_______is a hole in a tooth, caused by decay.
- We need to<br/>brush our teeth ___ we sleep. () A: before B: after