An untidy desk is perhaps a sign ______.
举一反三
- Guests （）sign in at the front desk to enter the building A: can B: may not C: must D: used to
- Tom is very untidy, and he always leaves his room in a ________.
- This room is not clean. It is very_____. A: tidy B: untidy C: clean D: not dirty
- This bedroom is not clean. And it's ______. A: untidy B: tidy C: clear D: clean
- Which of the following is not pyramidal sign? A: Gonda sign B: Hoffmann sign C: Babinski sign D: Chaddock sign E: Oppenheim sign