What can mouth guard do for us We can usually get a mouth guard from
A: our dentist.
B: a drugstore.
C: a supermarket.
D: a fitness center.
A: our dentist.
B: a drugstore.
C: a supermarket.
D: a fitness center.
举一反三
- What can mouth guard do for us Which of the following food or drink is not very harmful to our teeth A: Sweets. B: Biscuits. C: Vegetables. D: Coke.
- When coughing and sneezing, we can cover our mouth and nose with a tissue.
- — Can you give me a _______ ?—Yeah. What can I do for you? A: hand B: arm C: mouth D: hands
- What can families in US usually do when they can't afford college tuition? A: take out loans B: drop out from school
- The （） can tell us how much heat we can get from the burning of an oil.