Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined.

A. switch off       B. go off       C. take off D. bring off

Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined

1. A.
   switch off
2. B.
   go off
3. C.
   take off
4. D.
   bring off

Students are often warned that anyone who leaves the classroom at night must remember to       all the lights，or he will be fined

      A．switch off            B．go off                  C．take off                  D．bring off

Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined.