A. to a teacher B. than a teacher C. to that of a teacher D. than that of a teacher
A. ones B. another C. others D. the other
A. everything B. something C. nothing D. anything
A. a little B. a few C. little D. few
A. either B. none C. neither D. all
A. when B. why C. where D. how
A. other B. the other C. another D. others
A. other B. another C. more D. less
A. it B. one C. ones D. them
A. either B. none C. both D. neither