----This returned Chinese scholar has become one of the top experts in this field.----Yes,I know him very well.He_________in Africa with animals for eight years.
I am afraid I am not fit for the job, because it is one__________ requires a lot of patience.
—I don’t think you should use the dictionary while reading newspapers. —_____, but I can’t do without it.
We agreed to accept__________ they thought was the best professor in the college .
You____scold such a pupil who always keeps silent so seriously that You______hurt him.
_____professional violinist practices for several hours a day ,but ____violinist has his own way of playing the Beethoven concert.