It’s required that the campus ___ everywhere everyday.
A: disinfect
B: disinfected
C: e disinfected
D: must be disinfected
A: disinfect
B: disinfected
C: e disinfected
D: must be disinfected
举一反三
- Before you come to a university campus, and live on the campus, you must be accepted as a student.
- The listening activities must use ______ language normally used in everyday life.
- We must relate our health to our everyday eating habits.
- I can't find my watch, but it must be（）in this room. A: everywhere B: nowhere C: anywhere D: somewhere
- It is required that the machine ______ as frequently as necessary. A: be oiled B: must be oiled C: is oiled D: will oil