--- This returned Chinese scholar has become one of the top experts in this field. --- Yes, I know him very well. He_________in Africa on wild animals for eight years.
After completing and signing it, please return the form to us in the envelope ___.
When ___for his views about his teaching job, Philip said he found it very interesting and rewarding.
The professor spoke very clearly to make his speech ___.
Her ___ look suggested that she was completely ___.
“Bill, keep the things ___ here secret,”said the manager after meeting.