Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.
— Did you see it with your own eyes, Mike? — Yes. Otherwise I _______you about it.
I didn’t know his telephone number, otherwise I him.
-- How was your trip to London ? -- Great. I was helped by an organization. Otherwise, I _____ it.
I didn’t know that he was a cheat, or else I ________________ him.
If he had spent more time practicing speaking English before, he _____ able to speak it much better now.