David couldn't tell __________ from far away whether the green traffic light meant going straight or turning left.
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.