We should _______ the police to undertake a full investigation into the traffic accident, of which the witnesses gave different versions.
_______ time, he’ll make a first-class tennis player.
Remember _______ off the light when _______ to bed.
Stop _______ me to hurry up. I can only go so fast.
Certainly I posted your letter — I remember ______ it.
Please remember _______ the plants while I’m away.