40.I don’t remember how many years ago_________people began to grow pine apples here.
I don’t have an appointment, but I wonder if the dentist _______see me today.
He made a few notes _________ himself of what he wanted to say.
I am _________ music in church, but I am against rock music.
My stomach still bothers me _________, though not often.
We work together to achieve our common purpose: _________world that is safer, cleaner and healthier than ________ one we found.