Teachers’ words and deeds ______ a great effect _____ their students.

London people always take umbrellas with them, just _______ it rains

You should ___ the lights if there is no one in the room.

Would you rather ______ there tomorrow—– No, I’d rather he ______ there instead of me.

You’d better not phone the manager between 7and 8 tomorrow evening; he _______an important meeting then.