Question

【题目】David _______ Chinese since 2013 and he is good at it.

A. learns B. learned C. is learning D. has learned

Answer 1

【答案】D

【解析】句意：自从2013年，大卫就学习汉语，而且他擅长它。根据时间状语since 2013可知此处用现在完成时,故选D。