问题
选择题
Teaching pronunciation class to a mixed group of learners can ________ a teacher with many challenging problems.
|
答案
C
解析 provide，present，offer都有“提供”的意思。provide意思是“供给(某物)”；present则表示“呈现(某种状况)，使经历”；offer构成offer sb.sth.或offer sth.to sb.的结构。故C项符合句意。