--- Did you turn off the lights before you left the computer room? ---- Oh, I forget _______ them off. I’ll go to do it.
The police have ________anyone with information to come forward and talk to them.
—Have you ________ any information? —No, I’m going to ____________ the business department.
—You've made great progress in your studies of English, haven't you?—Yes, but much________to be done.
It is reported that the police will soon ____ the case of two missing children.
Sometimes the police are not absolutely sure that someone has committed a crime, but ________ him of having done it.