MAY
1. It was possible that she was taking a shower, which is why she could not hear the bell
She ........................ shower, which is why she could not hear the bell
HAVE
2. I am sure he hasn't left because his coat is still here
He ........................ because his coat is still here
DUE
3. The ferry could not sail because the weather was bad
The ferry could not sail ........................ weather
BETTER
4. The teacher told us not to be late on Friday
'You ........................ late on Friday', the teacher said
BEEN
5. There are Spanish and French translation of the book
The book ........................ into Spanish and French
UNLESS
6. She will only phone if she gets lost
She will ........................ lost