At the conference, people of different _______ were given a chance to exchange theirs with each other.
The professor said that he was interested only in research; he didn’t ________ others’ comments.
To my parents’ relief, both my brother and I followed the family _____ and became doctors.
--- Have you seen “Titanic” 3D? --- Not yet. It’s said to be ________ worth seeing than the original one.
Neighbors _________ to the police about the dogs barking at midnight, but it didn’t work.
--- I haven’t seen Mary recently. And you? --- Me neither. I’m afraid she _________ to her experiment for too long a time.