It's a custom in China to have some tea or other drinks before the meal ________.
I think physics is ________ and difficult ________.
An oil tanker hit a rock ______ the northwest coast of Alaska.
. Although he has taken a lot of medicine, his health _______ poor.
_______ out from his company, he had to find a new job.
The fact ______ she was offered the job made her very happy.