—Where is Tom ?—Well , he you here . Otherwise he would come down right now .
You ____ him so closely; you should have kept your distance.
In fact Peter would rather have left for San Francisco than ____ in New York..
Professor Wang , _______ for his informative lectures, was warmly received by his students.
________evidence that language acquiring ability must be stimulated.
The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.