You can’t predict everything Often thingsdon’t_______ as you expect

Canyou catch what 1 said—Sorry, I can_________ understand it.

What do you think of the manyou have just interviewed —He gave me a(an)_________ that he was not very _______about the job.

The professor, ____ some of his assistants , _____ to attend our discussion.

Jack wasn’t saying anything, but the teacher smiled at him _______he had done something very clever