When ____ about the possibility that Justin was taken away by aliens, Detective San Peterson, who has taken charge of the case, didn’t say much.

I got in his old truck and off ______ to one of the far corners of the farm to fix the fence. [ ]

Last month Frank went to Smart China Expo in Chongqing.—_______. And _______.

Nobody but doctors or nurses and those____ by Dr.Hu____ to enter the patient’s room.

Reading the job ad．he wondered whether he was ____ to apply for it．