As standing for a long time can be very strenuous on your starff feet, then it should be a must for your booth staff to wear _______ shoes.
举一反三
- Can you ________(stand) on your feet for a long time?
- In Thailand，you can expose the soles of your feet or use your feet to refer to things.
- —Could I borrow your dictionary? A: can B: must C: should
- You must wear glasses. They can keep your eyes (__) . A: save B: safe C: safely D: to save
- You must wear glasses. They can keep your eyes ______. A: soft B: safe C: safely D: safety