at she is out of a job,Lucy ____ going back to school, but she hasn’t decided yet

Could you please give the dictionary to Wang Feng?—Yes, of course! I’ll give it to him ________ he comes back

_______ wear white uniforms and help doctorsin hospital.

Once a year, people take part in “_______ Lights” activity to help save energy.

If you _____ your promise, the results will be sure to satisfy you.