George couldn’t remember when he first met Mr. Anderson, but he was sure it was __________ Sunday because everybody was at __________ church.
---Any advice for me? ---You’d better the timetable to see when the train leaves.
If traffic moves at low speeds, the number of accidents is.
—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
---Do you mind if I keep pets in this building? --- _________.
---How bright the sun is! ---You’d better wear your dark glasses to_____ your eyes from it.