run out (of)

A.用尽，耗完??? B.离开??????????? C.试用

Run for more than half an hour every day, ________ you can lose your weight easily.

“________run in the hallways, Mike.”  "Sorry, Ms Clark.”
A. Don't             B.  Please        C. Let's

run out (of)
A.用尽，耗完    B.离开            C.试用